diff --git a/Mage.Client/src/main/java/mage/client/deck/generator/DeckGenerator.java b/Mage.Client/src/main/java/mage/client/deck/generator/DeckGenerator.java
index d2b959c1c7..97471ed50b 100644
--- a/Mage.Client/src/main/java/mage/client/deck/generator/DeckGenerator.java
+++ b/Mage.Client/src/main/java/mage/client/deck/generator/DeckGenerator.java
@@ -44,6 +44,7 @@ import mage.client.util.sets.ConstructedFormats;
 import mage.constants.CardType;
 import mage.constants.ColoredManaSymbol;
 import mage.constants.Rarity;
+import mage.util.RandomUtil;
 import mage.util.TournamentUtil;
 
 /**
@@ -120,7 +121,6 @@ public class DeckGenerator {
      */
     private static String getRandomColors(String selectedColors) {
 
-        Random random = new Random();
         List<Character> availableColors = new ArrayList<>();
         for (ColoredManaSymbol cms : ColoredManaSymbol.values()) {
             availableColors.add(cms.toString().charAt(0));
@@ -138,7 +138,7 @@ public class DeckGenerator {
             }
         }
         for (int i = 0; i < randomColors && !availableColors.isEmpty(); i++) {
-            int index = random.nextInt(availableColors.size());
+            int index = RandomUtil.nextInt(availableColors.size());
             generatedColors.append(availableColors.remove(index));
         }
         return generatedColors.toString();
@@ -214,14 +214,13 @@ public class DeckGenerator {
         List<CardInfo> cardPool = CardRepository.instance.findCards(criteria);
         int retrievedCount = cardPool.size();
         List<DeckGeneratorCMC.CMC> deckCMCs = genPool.getCMCsForSpellCount(spellCount);
-        Random random = new Random();
         int count = 0;
         int reservesAdded = 0;
         boolean added;
         if (retrievedCount > 0 && retrievedCount >= spellCount) {
             int tries = 0;
             while (count < spellCount) {
-                Card card = cardPool.get(random.nextInt(retrievedCount)).getMockCard();
+                Card card = cardPool.get(RandomUtil.nextInt(retrievedCount)).getMockCard();
                 if (genPool.isValidSpellCard(card)) {
                     int cardCMC = card.getManaCost().convertedManaCost();
                     for (DeckGeneratorCMC.CMC deckCMC : deckCMCs) {
@@ -278,10 +277,9 @@ public class DeckGenerator {
         if (!genPool.isMonoColoredDeck() && genDialog.useNonBasicLand()) {
             List<Card> landCards = genPool.filterLands(CardRepository.instance.findCards(criteria));
             int allCount = landCards.size();
-            Random random = new Random();
             if (allCount > 0) {
                 while (countNonBasic < landsCount / 2) {
-                    Card card = landCards.get(random.nextInt(allCount));
+                    Card card = landCards.get(RandomUtil.nextInt(allCount));
                     if (genPool.isValidLandCard(card)) {
                         Card addedCard = card.copy();
                         deckLands.add(addedCard);
@@ -394,10 +392,9 @@ public class DeckGenerator {
      * @return a single basic land that produces the color needed.
      */
     private static Card getBasicLand(ColoredManaSymbol color, Map<String, List<CardInfo>> basicLands) {
-        Random random = new Random();
         String landName = DeckGeneratorPool.getBasicLandName(color.toString());
         List<CardInfo> basicLandsInfo = basicLands.get(landName);
-        return basicLandsInfo.get(random.nextInt(basicLandsInfo.size() - 1)).getMockCard().copy();
+        return basicLandsInfo.get(RandomUtil.nextInt(basicLandsInfo.size() - 1)).getMockCard().copy();
     }
 
 }
diff --git a/Mage.Client/src/main/java/mage/client/deck/generator/DeckGeneratorPool.java b/Mage.Client/src/main/java/mage/client/deck/generator/DeckGeneratorPool.java
index 7c7ff556f1..b5dcd45edf 100644
--- a/Mage.Client/src/main/java/mage/client/deck/generator/DeckGeneratorPool.java
+++ b/Mage.Client/src/main/java/mage/client/deck/generator/DeckGeneratorPool.java
@@ -32,6 +32,7 @@ import mage.cards.Card;
 import mage.cards.decks.Deck;
 import mage.cards.repository.CardInfo;
 import mage.constants.ColoredManaSymbol;
+import mage.util.RandomUtil;
 
 import java.util.*;
 
@@ -390,7 +391,6 @@ public class DeckGeneratorPool
      */
     private List<Card> getFixedSpells()
     {
-        Random random = new Random();
         int spellSize = deckCards.size();
         int nonLandSize = (deckSize - landCount);
 
@@ -409,7 +409,7 @@ public class DeckGeneratorPool
                     spellsToAdd.add(reserveSpells.get(i));
 
                 for (int i = spellsNeeded + 1; i < reserveSpells.size() - 1; i++) {
-                    int j = random.nextInt(i);
+                    int j = RandomUtil.nextInt(i);
                     Card randomCard = reserveSpells.get(j);
                     if (isValidSpellCard(randomCard) && j < spellsToAdd.size()) {
                         spellsToAdd.set(j, randomCard);
@@ -424,7 +424,7 @@ public class DeckGeneratorPool
         else if(spellSize > (deckSize - landCount)) {
             int spellsRemoved = (spellSize)-(deckSize-landCount);
             for(int i = 0; i < spellsRemoved; ++i) {
-                deckCards.remove(random.nextInt(deckCards.size()));
+                deckCards.remove(RandomUtil.nextInt(deckCards.size()));
             }
         }
 
diff --git a/Mage.Client/src/main/java/mage/client/dialog/AddLandDialog.java b/Mage.Client/src/main/java/mage/client/dialog/AddLandDialog.java
index 9b25eea371..5748b13cd4 100644
--- a/Mage.Client/src/main/java/mage/client/dialog/AddLandDialog.java
+++ b/Mage.Client/src/main/java/mage/client/dialog/AddLandDialog.java
@@ -46,6 +46,7 @@ import mage.cards.repository.ExpansionRepository;
 import mage.client.MageFrame;
 import mage.client.constants.Constants.DeckEditorMode;
 import mage.constants.Rarity;
+import mage.util.RandomUtil;
 import org.apache.log4j.Logger;
 
 /**
@@ -118,7 +119,6 @@ public class AddLandDialog extends MageDialog {
     }
 
     private void addLands(String landName, int number) {
-        Random random = new Random();
         String landSetName = (String) cbLandSet.getSelectedItem();
 
         CardCriteria criteria = new CardCriteria();
@@ -142,7 +142,7 @@ public class AddLandDialog extends MageDialog {
         }
 
         for (int i = 0; i < number; i++) {
-            Card land = cards.get(random.nextInt(cards.size())).getMockCard();
+            Card land = cards.get(RandomUtil.nextInt(cards.size())).getMockCard();
             deck.getCards().add(land);
         }
     }
diff --git a/Mage.Client/src/main/java/org/mage/plugins/card/images/DownloadPictures.java b/Mage.Client/src/main/java/org/mage/plugins/card/images/DownloadPictures.java
index 2a4a1ca9f4..3b6dccae02 100644
--- a/Mage.Client/src/main/java/org/mage/plugins/card/images/DownloadPictures.java
+++ b/Mage.Client/src/main/java/org/mage/plugins/card/images/DownloadPictures.java
@@ -51,6 +51,7 @@ import mage.client.constants.Constants;
 import mage.client.dialog.PreferencesDialog;
 import mage.client.util.sets.ConstructedFormats;
 import mage.remote.Connection;
+import mage.util.RandomUtil;
 import net.java.truevfs.access.TFile;
 import net.java.truevfs.access.TFileOutputStream;
 import net.java.truevfs.access.TVFS;
@@ -68,7 +69,6 @@ import org.mage.plugins.card.utils.CardImageUtils;
 public class DownloadPictures extends DefaultBoundedRangeModel implements Runnable {
 
     private static final Logger logger = Logger.getLogger(DownloadPictures.class);
-    private static final Random rnd = new Random();
 
     private JProgressBar bar;
     private final JOptionPane dlg;
@@ -689,7 +689,7 @@ public class DownloadPictures extends DefaultBoundedRangeModel implements Runnab
 
         private void setUpConnection(URLConnection httpConn) {
             // images download from magiccards.info may not work with default 'User-Agent: Java/1.x.x' request header
-            switch (rnd.nextInt(3)) {
+            switch (RandomUtil.nextInt(3)) {
                 // chrome
                 case 0:
                     httpConn.setRequestProperty("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8");
diff --git a/Mage.Common/src/mage/utils/DeckBuilder.java b/Mage.Common/src/mage/utils/DeckBuilder.java
index 025a73bd37..525049b4fd 100644
--- a/Mage.Common/src/mage/utils/DeckBuilder.java
+++ b/Mage.Common/src/mage/utils/DeckBuilder.java
@@ -14,6 +14,7 @@ import mage.cards.decks.Deck;
 import mage.constants.CardType;
 import mage.constants.ColoredManaSymbol;
 import mage.interfaces.rate.RateCallback;
+import mage.util.RandomUtil;
 
 /**
  * Builds deck from provided card pool.
@@ -205,7 +206,7 @@ public class DeckBuilder {
             ColoredManaSymbol bestColor = null;
             //Default to a color in the allowed colors
             if (allowedColors != null && !allowedColors.isEmpty()) {
-                bestColor = allowedColors.get(new Random().nextInt(allowedColors.size()));
+                bestColor = allowedColors.get(RandomUtil.nextInt(allowedColors.size()));
             }
             int lowestRatio = Integer.MAX_VALUE;
             for (final ColoredManaSymbol color : ColoredManaSymbol.values()) {
diff --git a/Mage.Server.Plugins/Mage.Game.MomirDuel/src/mage/game/MomirDuel.java b/Mage.Server.Plugins/Mage.Game.MomirDuel/src/mage/game/MomirDuel.java
index 9d37e749ad..b2dc9b0b79 100644
--- a/Mage.Server.Plugins/Mage.Game.MomirDuel/src/mage/game/MomirDuel.java
+++ b/Mage.Server.Plugins/Mage.Game.MomirDuel/src/mage/game/MomirDuel.java
@@ -56,6 +56,7 @@ import mage.game.permanent.token.EmptyToken;
 import mage.game.turn.TurnMod;
 import mage.players.Player;
 import mage.util.CardUtil;
+import mage.util.RandomUtil;
 
 /**
  *
@@ -135,7 +136,6 @@ class MomirEmblem extends Emblem {
 
 class MomirEffect extends OneShotEffect {
 
-    private static final Random rnd = new Random();
 
     public MomirEffect() {
         super(Outcome.PutCreatureInPlay);
@@ -158,7 +158,7 @@ class MomirEffect extends OneShotEffect {
         CardCriteria criteria = new CardCriteria().types(CardType.CREATURE).convertedManaCost(value);
         List<CardInfo> options = CardRepository.instance.findCards(criteria);
         if (options != null && !options.isEmpty()) {
-            Card card = options.get(rnd.nextInt(options.size())).getCard();
+            Card card = options.get(RandomUtil.nextInt(options.size())).getCard();
             EmptyToken token = new EmptyToken();
             CardUtil.copyTo(token).from(card);
             token.putOntoBattlefield(1, game, source.getSourceId(), source.getControllerId(), false, false);
diff --git a/Mage.Server.Plugins/Mage.Player.AI.MA/src/mage/player/ai/ComputerPlayer6.java b/Mage.Server.Plugins/Mage.Player.AI.MA/src/mage/player/ai/ComputerPlayer6.java
index e816a8757d..39b0266060 100644
--- a/Mage.Server.Plugins/Mage.Player.AI.MA/src/mage/player/ai/ComputerPlayer6.java
+++ b/Mage.Server.Plugins/Mage.Player.AI.MA/src/mage/player/ai/ComputerPlayer6.java
@@ -104,6 +104,7 @@ import mage.players.Player;
 import mage.target.Target;
 import mage.target.TargetCard;
 import mage.target.Targets;
+import mage.util.RandomUtil;
 import org.apache.log4j.Logger;
 
 /**
@@ -128,7 +129,6 @@ public class ComputerPlayer6 extends ComputerPlayer /*implements Player*/ {
     protected Set<String> actionCache;
     private static final List<TreeOptimizer> optimizers = new ArrayList<>();
     protected int lastLoggedTurn = 0;
-    Random random = new Random();
     protected static final String BLANKS = "...............................................";
 
     static {
@@ -631,7 +631,7 @@ public class ComputerPlayer6 extends ComputerPlayer /*implements Player*/ {
                     if (depth == maxDepth && action instanceof PassAbility) {
                         val = val - PASSIVITY_PENALTY; // passivity penalty
                     }
-                    if (val > alpha || (depth == maxDepth && val == alpha && random.nextBoolean())) { // Adding random for equal value to get change sometimes
+                    if (val > alpha || (depth == maxDepth && val == alpha && RandomUtil.nextBoolean())) { // Adding random for equal value to get change sometimes
                         alpha = val;
                         bestNode = newNode;
                         bestNode.setScore(val);
diff --git a/Mage.Server.Plugins/Mage.Player.AI/src/main/java/mage/player/ai/ComputerPlayer.java b/Mage.Server.Plugins/Mage.Player.AI/src/main/java/mage/player/ai/ComputerPlayer.java
index 6264e60301..2bcae9b1ff 100644
--- a/Mage.Server.Plugins/Mage.Player.AI/src/main/java/mage/player/ai/ComputerPlayer.java
+++ b/Mage.Server.Plugins/Mage.Player.AI/src/main/java/mage/player/ai/ComputerPlayer.java
@@ -138,10 +138,7 @@ import mage.target.common.TargetDiscard;
 import mage.target.common.TargetOpponent;
 import mage.target.common.TargetPermanentOrPlayer;
 import mage.target.common.TargetSpellOrPermanent;
-import mage.util.Copier;
-import mage.util.MessageToClient;
-import mage.util.TournamentUtil;
-import mage.util.TreeNode;
+import mage.util.*;
 import org.apache.log4j.Logger;
 
 /**
@@ -165,7 +162,6 @@ public class ComputerPlayer extends PlayerImpl implements Player {
     private transient List<ColoredManaSymbol> chosenColors;
 
     private transient ManaCost currentUnpaidMana;
-    private final Random random = new Random();
 
     public ComputerPlayer(String name, RangeOfInfluence range) {
         super(name, range);
@@ -1258,7 +1254,7 @@ public class ComputerPlayer extends PlayerImpl implements Player {
     public int announceXCost(int min, int max, String message, Game game, Ability ability, VariableCost variablCost) {
         log.debug("announceXMana");
         //TODO: improve this
-        int value = new Random().nextInt(max + 1);
+        int value = RandomUtil.nextInt(max + 1);
         if (value < max) {
             value++;
         }
@@ -1558,7 +1554,7 @@ public class ComputerPlayer extends PlayerImpl implements Player {
         }
         //TODO: improve this
         if (min < max && min == 0) {
-            return new Random().nextInt(max + 1);
+            return RandomUtil.nextInt(max + 1);
         }
         return min;
     }
@@ -1587,7 +1583,6 @@ public class ComputerPlayer extends PlayerImpl implements Player {
     }
 
     private static void addBasicLands(Deck deck, String landName, int number) {
-        Random random = new Random();
         Set<String> landSets = TournamentUtil.getLandSetCodeForDeckSets(deck.getExpansionSetCodes());
 
         CardCriteria criteria = new CardCriteria();
@@ -1605,7 +1600,7 @@ public class ComputerPlayer extends PlayerImpl implements Player {
         }
 
         for (int i = 0; i < number; i++) {
-            Card land = cards.get(random.nextInt(cards.size())).getCard();
+            Card land = cards.get(RandomUtil.nextInt(cards.size())).getCard();
             deck.getCards().add(land);
         }
     }
@@ -2239,7 +2234,7 @@ public class ComputerPlayer extends PlayerImpl implements Player {
         UUID randomOpponentId = game.getOpponents(abilityControllerId).iterator().next();
         Set<UUID> opponents = game.getOpponents(abilityControllerId);
         if (opponents.size() > 1) {
-            int rand = random.nextInt(opponents.size());
+            int rand = RandomUtil.nextInt(opponents.size());
             int count = 0;
             for (UUID currentId : opponents) {
                 if (count == rand) {
diff --git a/Mage.Server.Plugins/Mage.Player.AIMCTS/src/mage/player/ai/SimulatedPlayerMCTS.java b/Mage.Server.Plugins/Mage.Player.AIMCTS/src/mage/player/ai/SimulatedPlayerMCTS.java
index 60212a9ee1..8a315878f1 100644
--- a/Mage.Server.Plugins/Mage.Player.AIMCTS/src/mage/player/ai/SimulatedPlayerMCTS.java
+++ b/Mage.Server.Plugins/Mage.Player.AIMCTS/src/mage/player/ai/SimulatedPlayerMCTS.java
@@ -54,6 +54,7 @@ import mage.players.Player;
 import mage.target.Target;
 import mage.target.TargetAmount;
 import mage.target.TargetCard;
+import mage.util.RandomUtil;
 import org.apache.log4j.Logger;
 
 /**
@@ -65,7 +66,6 @@ import org.apache.log4j.Logger;
 public class SimulatedPlayerMCTS extends MCTSPlayer {
 
     private boolean isSimulatedPlayer;
-    private static Random rnd = new Random();
     private int actionCount = 0;
     private static final Logger logger = Logger.getLogger(SimulatedPlayerMCTS.class);
 
@@ -115,21 +115,21 @@ public class SimulatedPlayerMCTS extends MCTSPlayer {
             if (playables.size() == 1) {
                 ability = playables.get(0);
             } else {
-                ability = playables.get(rnd.nextInt(playables.size()));
+                ability = playables.get(RandomUtil.nextInt(playables.size()));
             }
             List<Ability> options = getPlayableOptions(ability, game);
             if (!options.isEmpty()) {
                 if (options.size() == 1) {
                     ability = options.get(0);
                 } else {
-                    ability = options.get(rnd.nextInt(options.size()));
+                    ability = options.get(RandomUtil.nextInt(options.size()));
                 }
             }
             if (ability.getManaCosts().getVariableCosts().size() > 0) {
                 int amount = getAvailableManaProducers(game).size() - ability.getManaCosts().convertedManaCost();
                 if (amount > 0) {
                     ability = ability.copy();
-                    ability.getManaCostsToPay().add(new GenericManaCost(rnd.nextInt(amount)));
+                    ability.getManaCostsToPay().add(new GenericManaCost(RandomUtil.nextInt(amount)));
                 }
             }
             // check if ability kills player, if not then it's ok to play
@@ -163,7 +163,7 @@ public class SimulatedPlayerMCTS extends MCTSPlayer {
                 if (options.size() == 1) {
                     ability = options.get(0);
                 } else {
-                    ability = options.get(rnd.nextInt(options.size()));
+                    ability = options.get(RandomUtil.nextInt(options.size()));
                 }
             }
             if (ability.isUsesStack()) {
@@ -192,7 +192,7 @@ public class SimulatedPlayerMCTS extends MCTSPlayer {
         List<Permanent> attackersList = super.getAvailableAttackers(defenderId, game);
         //use binary digits to calculate powerset of attackers
         int powerElements = (int) Math.pow(2, attackersList.size());
-        int value = rnd.nextInt(powerElements);
+        int value = RandomUtil.nextInt(powerElements);
         StringBuilder binary = new StringBuilder();
         binary.append(Integer.toBinaryString(value));
         while (binary.length() < attackersList.size()) {
@@ -219,7 +219,7 @@ public class SimulatedPlayerMCTS extends MCTSPlayer {
 
         List<Permanent> blockers = getAvailableBlockers(game);
         for (Permanent blocker : blockers) {
-            int check = rnd.nextInt(numGroups + 1);
+            int check = RandomUtil.nextInt(numGroups + 1);
             if (check < numGroups) {
                 CombatGroup group = game.getCombat().getGroups().get(check);
                 if (group.getAttackers().size() > 0) {
@@ -245,7 +245,7 @@ public class SimulatedPlayerMCTS extends MCTSPlayer {
             return true;
         }
         Iterator<UUID> it = possibleTargets.iterator();
-        int targetNum = rnd.nextInt(possibleTargets.size());
+        int targetNum = RandomUtil.nextInt(possibleTargets.size());
         UUID targetId = it.next();
         for (int i = 0; i < targetNum; i++) {
             targetId = it.next();
@@ -260,7 +260,7 @@ public class SimulatedPlayerMCTS extends MCTSPlayer {
             return false;
         }
         if (!target.isRequired(source)) {
-            if (rnd.nextInt(possibleTargets.size() + 1) == 0) {
+            if (RandomUtil.nextInt(possibleTargets.size() + 1) == 0) {
                 return false;
             }
         }
@@ -269,7 +269,7 @@ public class SimulatedPlayerMCTS extends MCTSPlayer {
             return true;
         }
         Iterator<UUID> it = possibleTargets.iterator();
-        int targetNum = rnd.nextInt(possibleTargets.size());
+        int targetNum = RandomUtil.nextInt(possibleTargets.size());
         UUID targetId = it.next();
         for (int i = 0; i < targetNum; i++) {
             targetId = it.next();
@@ -305,7 +305,7 @@ public class SimulatedPlayerMCTS extends MCTSPlayer {
                 return false;
             }
             Iterator<UUID> it = possibleTargets.iterator();
-            int targetNum = rnd.nextInt(possibleTargets.size());
+            int targetNum = RandomUtil.nextInt(possibleTargets.size());
             UUID targetId = it.next();
             for (int i = 0; i < targetNum; i++) {
                 targetId = it.next();
@@ -338,7 +338,7 @@ public class SimulatedPlayerMCTS extends MCTSPlayer {
             return !target.isRequired(source);
         }
         if (!target.isRequired(source)) {
-            if (rnd.nextInt(possibleTargets.size() + 1) == 0) {
+            if (RandomUtil.nextInt(possibleTargets.size() + 1) == 0) {
                 return false;
             }
         }
@@ -347,24 +347,24 @@ public class SimulatedPlayerMCTS extends MCTSPlayer {
             return true;
         }
         Iterator<UUID> it = possibleTargets.iterator();
-        int targetNum = rnd.nextInt(possibleTargets.size());
+        int targetNum = RandomUtil.nextInt(possibleTargets.size());
         UUID targetId = it.next();
         for (int i = 0; i < targetNum; i++) {
             targetId = it.next();
         }
-        target.addTarget(targetId, rnd.nextInt(target.getAmountRemaining()) + 1, source, game);
+        target.addTarget(targetId, RandomUtil.nextInt(target.getAmountRemaining()) + 1, source, game);
         return true;
     }
 
     @Override
     public boolean chooseMulligan(Game game) {
-        return rnd.nextBoolean();
+        return RandomUtil.nextBoolean();
     }
 
     @Override
     public boolean chooseUse(Outcome outcome, String message, Ability source, Game game) {
         if (this.isHuman()) {
-            return rnd.nextBoolean();
+            return RandomUtil.nextBoolean();
         }
         return super.chooseUse(outcome, message, source, game);
     }
@@ -372,7 +372,7 @@ public class SimulatedPlayerMCTS extends MCTSPlayer {
     @Override
     public boolean choosePile(Outcome outcome, String message, List<? extends Card> pile1, List<? extends Card> pile2, Game game) {
         if (this.isHuman()) {
-            return rnd.nextBoolean();
+            return RandomUtil.nextBoolean();
         }
         return super.choosePile(outcome, message, pile1, pile2, game);
     }
@@ -382,7 +382,7 @@ public class SimulatedPlayerMCTS extends MCTSPlayer {
         if (this.isHuman()) {
             Iterator<String> it = choice.getChoices().iterator();
             String sChoice = it.next();
-            int choiceNum = rnd.nextInt(choice.getChoices().size());
+            int choiceNum = RandomUtil.nextInt(choice.getChoices().size());
             for (int i = 0; i < choiceNum; i++) {
                 sChoice = it.next();
             }
@@ -395,7 +395,7 @@ public class SimulatedPlayerMCTS extends MCTSPlayer {
     @Override
     public int chooseReplacementEffect(Map<String, String> rEffects, Game game) {
         if (this.isHuman()) {
-            return rnd.nextInt(rEffects.size());
+            return RandomUtil.nextInt(rEffects.size());
         }
         return super.chooseReplacementEffect(rEffects, game);
     }
@@ -403,7 +403,7 @@ public class SimulatedPlayerMCTS extends MCTSPlayer {
     @Override
     public TriggeredAbility chooseTriggeredAbility(List<TriggeredAbility> abilities, Game game) {
         if (this.isHuman()) {
-            return abilities.get(rnd.nextInt(abilities.size()));
+            return abilities.get(RandomUtil.nextInt(abilities.size()));
         }
         return super.chooseTriggeredAbility(abilities, game);
     }
@@ -416,7 +416,7 @@ public class SimulatedPlayerMCTS extends MCTSPlayer {
             if (modes.size() == 1) {
                 return mode;
             }
-            int modeNum = rnd.nextInt(modes.getAvailableModes(source, game).size());
+            int modeNum = RandomUtil.nextInt(modes.getAvailableModes(source, game).size());
             for (int i = 0; i < modeNum; i++) {
                 mode = it.next();
             }
@@ -428,7 +428,7 @@ public class SimulatedPlayerMCTS extends MCTSPlayer {
     @Override
     public UUID chooseAttackerOrder(List<Permanent> attackers, Game game) {
         if (this.isHuman()) {
-            return attackers.get(rnd.nextInt(attackers.size())).getId();
+            return attackers.get(RandomUtil.nextInt(attackers.size())).getId();
         }
         return super.chooseAttackerOrder(attackers, game);
     }
@@ -436,7 +436,7 @@ public class SimulatedPlayerMCTS extends MCTSPlayer {
     @Override
     public UUID chooseBlockerOrder(List<Permanent> blockers, CombatGroup combatGroup, List<UUID> blockerOrder, Game game) {
         if (this.isHuman()) {
-            return blockers.get(rnd.nextInt(blockers.size())).getId();
+            return blockers.get(RandomUtil.nextInt(blockers.size())).getId();
         }
         return super.chooseBlockerOrder(blockers, combatGroup, blockerOrder, game);
     }
@@ -452,8 +452,8 @@ public class SimulatedPlayerMCTS extends MCTSPlayer {
                     targetId = targets.get(0);
                     amount = remainingDamage;
                 } else {
-                    targetId = targets.get(rnd.nextInt(targets.size()));
-                    amount = rnd.nextInt(damage + 1);
+                    targetId = targets.get(RandomUtil.nextInt(targets.size()));
+                    amount = RandomUtil.nextInt(damage + 1);
                 }
                 Permanent permanent = game.getPermanent(targetId);
                 if (permanent != null) {
@@ -476,7 +476,7 @@ public class SimulatedPlayerMCTS extends MCTSPlayer {
     @Override
     public int getAmount(int min, int max, String message, Game game) {
         if (this.isHuman()) {
-            return rnd.nextInt(max - min) + min;
+            return RandomUtil.nextInt(max - min) + min;
         }
         return super.getAmount(min, max, message, game);
     }
diff --git a/Mage.Server/src/main/java/mage/server/util/SystemUtil.java b/Mage.Server/src/main/java/mage/server/util/SystemUtil.java
index 97f1f39eff..7893fbca3d 100644
--- a/Mage.Server/src/main/java/mage/server/util/SystemUtil.java
+++ b/Mage.Server/src/main/java/mage/server/util/SystemUtil.java
@@ -6,6 +6,7 @@ import mage.cards.repository.CardRepository;
 import mage.constants.Zone;
 import mage.game.Game;
 import mage.players.Player;
+import mage.util.RandomUtil;
 
 import java.io.File;
 import java.util.Date;
@@ -95,10 +96,9 @@ public class SystemUtil {
                         continue;
                     }
 
-                    Random random = new Random();
                     Set<Card> cardsToLoad = new HashSet<>();
                     for (int i = 0; i < amount; i++) {
-                        CardInfo cardInfo = cards.get(random.nextInt(cards.size()));
+                        CardInfo cardInfo = cards.get(RandomUtil.nextInt(cards.size()));
                         Card card = cardInfo != null ? cardInfo.getCard() : null;
                         if (card != null) {
                             cardsToLoad.add(card);
diff --git a/Mage.Sets/src/mage/sets/ShadowsOverInnistrad.java b/Mage.Sets/src/mage/sets/ShadowsOverInnistrad.java
index c09a17e451..12ea275644 100644
--- a/Mage.Sets/src/mage/sets/ShadowsOverInnistrad.java
+++ b/Mage.Sets/src/mage/sets/ShadowsOverInnistrad.java
@@ -38,6 +38,7 @@ import mage.cards.repository.CardInfo;
 import mage.cards.repository.CardRepository;
 import mage.constants.Rarity;
 import mage.constants.SetType;
+import mage.util.RandomUtil;
 
 /**
  *
@@ -73,7 +74,7 @@ public class ShadowsOverInnistrad extends ExpansionSet {
     public void addDoubleFace(List<Card> booster) {
         for (int i = 0; i < numBoosterDoubleFaced; i++) {
             List<CardInfo> doubleFacedCards;
-            if (rnd.nextInt(15) < 10) {
+            if (RandomUtil.nextInt(15) < 10) {
                 doubleFacedCards = getDoubleFacedCardsByRarity(Rarity.COMMON);
             } else {
                 doubleFacedCards = getDoubleFacedCardsByRarity(Rarity.UNCOMMON);
@@ -99,14 +100,14 @@ public class ShadowsOverInnistrad extends ExpansionSet {
     @Override
     public int getNumberOfSpecialCommons() {
         // Then about an eighth of the packs will have a second double-faced card, which will be a rare or mythic rare.
-        return rnd.nextInt(8) == 0 ? 1 : 0;
+        return RandomUtil.nextInt(8) == 0 ? 1 : 0;
     }
 
     @Override
     public void addSpecialCommon(List<Card> booster, int number) {
         // number is here always 1
         List<CardInfo> doubleFacedCards;
-        if (rnd.nextInt(8) > 0) {
+        if (RandomUtil.nextInt(8) > 0) {
             doubleFacedCards = getDoubleFacedCardsByRarity(Rarity.RARE);
         } else {
             doubleFacedCards = getDoubleFacedCardsByRarity(Rarity.MYTHIC);
diff --git a/Mage.Sets/src/mage/sets/bornofthegods/WhimsOfTheFates.java b/Mage.Sets/src/mage/sets/bornofthegods/WhimsOfTheFates.java
index 3685618248..2d50e66ab1 100644
--- a/Mage.Sets/src/mage/sets/bornofthegods/WhimsOfTheFates.java
+++ b/Mage.Sets/src/mage/sets/bornofthegods/WhimsOfTheFates.java
@@ -48,6 +48,7 @@ import mage.players.Player;
 import mage.players.PlayerList;
 import mage.target.Target;
 import mage.target.TargetPermanent;
+import mage.util.RandomUtil;
 
 /**
  *
@@ -76,7 +77,6 @@ public class WhimsOfTheFates extends CardImpl {
 
 class WhimsOfTheFateEffect extends OneShotEffect {
 
-    protected static Random rnd = new Random();
 
     public WhimsOfTheFateEffect() {
         super(Outcome.Detriment);
@@ -173,7 +173,7 @@ class WhimsOfTheFateEffect extends OneShotEffect {
                 Player player = game.getPlayer(playerPiles.getKey());
                 if (player != null) {
                     // decide which pile to sacrifice
-                    int sacrificePile = rnd.nextInt(3) + 1; // random number from 1 - 3
+                    int sacrificePile = RandomUtil.nextInt(3) + 1; // random number from 1 - 3
                     game.informPlayers(new StringBuilder(player.getLogName()).append(" sacrifices pile number ").append(sacrificePile).toString());
                     for (UUID permanentId : playerPiles.getValue().get(sacrificePile)) {
                         Permanent permanent = game.getPermanent(permanentId);
diff --git a/Mage.Sets/src/mage/sets/commander/RuhanOfTheFomori.java b/Mage.Sets/src/mage/sets/commander/RuhanOfTheFomori.java
index b215a1ba77..8e051a9961 100644
--- a/Mage.Sets/src/mage/sets/commander/RuhanOfTheFomori.java
+++ b/Mage.Sets/src/mage/sets/commander/RuhanOfTheFomori.java
@@ -47,6 +47,7 @@ import mage.game.Game;
 import mage.game.permanent.Permanent;
 import mage.players.Player;
 import mage.target.targetpointer.FixedTarget;
+import mage.util.RandomUtil;
 
 /**
  *
@@ -98,10 +99,9 @@ class RuhanOfTheFomoriEffect extends OneShotEffect {
     public boolean apply(Game game, Ability source) {
         Player controller = game.getPlayer(source.getControllerId());
         if (controller != null) {
-            Random random = new Random();
             List<UUID> opponents = new ArrayList<>();
             opponents.addAll(game.getOpponents(controller.getId()));
-            Player opponent = game.getPlayer(opponents.get(random.nextInt(opponents.size())));
+            Player opponent = game.getPlayer(opponents.get(RandomUtil.nextInt(opponents.size())));
             if (opponent != null) {
                 ContinuousEffect effect = new AttacksIfAbleTargetPlayerSourceEffect();
                 effect.setTargetPointer(new FixedTarget(opponent.getId()));
diff --git a/Mage.Sets/src/mage/sets/commander2014/RavingDead.java b/Mage.Sets/src/mage/sets/commander2014/RavingDead.java
index a46544c436..b4bcb686eb 100644
--- a/Mage.Sets/src/mage/sets/commander2014/RavingDead.java
+++ b/Mage.Sets/src/mage/sets/commander2014/RavingDead.java
@@ -49,6 +49,7 @@ import mage.game.Game;
 import mage.game.permanent.Permanent;
 import mage.players.Player;
 import mage.target.targetpointer.FixedTarget;
+import mage.util.RandomUtil;
 
 /**
  *
@@ -102,10 +103,9 @@ class RavingDeadEffect extends OneShotEffect {
     public boolean apply(Game game, Ability source) {
         Player controller = game.getPlayer(source.getControllerId());
         if (controller != null) {
-            Random random = new Random();
             List<UUID> opponents = new ArrayList<>();
             opponents.addAll(game.getOpponents(controller.getId()));
-            Player opponent = game.getPlayer(opponents.get(random.nextInt(opponents.size())));
+            Player opponent = game.getPlayer(opponents.get(RandomUtil.nextInt(opponents.size())));
             if (opponent != null) {
                 ContinuousEffect effect = new AttacksIfAbleTargetPlayerSourceEffect();
                 effect.setTargetPointer(new FixedTarget(opponent.getId()));
diff --git a/Mage.Sets/src/mage/sets/darkascension/HauntedFengraf.java b/Mage.Sets/src/mage/sets/darkascension/HauntedFengraf.java
index 80e8777b2e..f1579c7735 100644
--- a/Mage.Sets/src/mage/sets/darkascension/HauntedFengraf.java
+++ b/Mage.Sets/src/mage/sets/darkascension/HauntedFengraf.java
@@ -46,6 +46,7 @@ import mage.cards.CardImpl;
 import mage.filter.common.FilterCreatureCard;
 import mage.game.Game;
 import mage.players.Player;
+import mage.util.RandomUtil;
 
 /**
  *
@@ -98,8 +99,7 @@ class HauntedFengrafEffect extends OneShotEffect {
         if (player != null) {
             Card[] cards = player.getGraveyard().getCards(new FilterCreatureCard(), game).toArray(new Card[0]);
             if (cards.length > 0) {
-                Random rnd = new Random();
-                Card card = cards[rnd.nextInt(cards.length)];
+                Card card = cards[RandomUtil.nextInt(cards.length)];
                 card.moveToZone(Zone.HAND, source.getSourceId(), game, true);
                 game.informPlayers(card.getName() + " returned to the hand of " + player.getLogName());
                 return true;
diff --git a/Mage.Sets/src/mage/sets/eldritchmoon/RideDown.java b/Mage.Sets/src/mage/sets/eldritchmoon/RideDown.java
index fabce419d1..3ac0e21d3d 100644
--- a/Mage.Sets/src/mage/sets/eldritchmoon/RideDown.java
+++ b/Mage.Sets/src/mage/sets/eldritchmoon/RideDown.java
@@ -27,6 +27,8 @@
  */
 package mage.sets.eldritchmoon;
 
+import mage.sets.EldritchMoon;
+
 import java.util.UUID;
 
 /**
diff --git a/Mage.Sets/src/mage/sets/innistrad/CharmbreakerDevils.java b/Mage.Sets/src/mage/sets/innistrad/CharmbreakerDevils.java
index 839dc8f3f5..25f5ff325e 100644
--- a/Mage.Sets/src/mage/sets/innistrad/CharmbreakerDevils.java
+++ b/Mage.Sets/src/mage/sets/innistrad/CharmbreakerDevils.java
@@ -49,6 +49,7 @@ import mage.filter.predicate.mageobject.CardTypePredicate;
 import mage.game.Game;
 import mage.game.events.GameEvent.EventType;
 import mage.players.Player;
+import mage.util.RandomUtil;
 
 /**
  *
@@ -114,8 +115,7 @@ class CharmbreakerDevilsEffect extends OneShotEffect {
                     new CardTypePredicate(CardType.SORCERY)));
             Card[] cards = player.getGraveyard().getCards(filter, game).toArray(new Card[0]);
             if (cards.length > 0) {
-                Random rnd = new Random();
-                Card card = cards[rnd.nextInt(cards.length)];
+                Card card = cards[RandomUtil.nextInt(cards.length)];
                 card.moveToZone(Zone.HAND, source.getSourceId(), game, true);
                 game.informPlayers(new StringBuilder("Charmbreaker Devils: ").append(card.getName()).append(" returned to the hand of ").append(player.getLogName()).toString());
                 return true;
diff --git a/Mage.Sets/src/mage/sets/innistrad/Ghoulraiser.java b/Mage.Sets/src/mage/sets/innistrad/Ghoulraiser.java
index a5cfba8f1e..2ada4c0cb4 100644
--- a/Mage.Sets/src/mage/sets/innistrad/Ghoulraiser.java
+++ b/Mage.Sets/src/mage/sets/innistrad/Ghoulraiser.java
@@ -43,6 +43,7 @@ import mage.filter.FilterCard;
 import mage.filter.predicate.mageobject.SubtypePredicate;
 import mage.game.Game;
 import mage.players.Player;
+import mage.util.RandomUtil;
 
 /**
  *
@@ -96,8 +97,7 @@ class GhoulraiserEffect extends OneShotEffect {
             filter.add(new SubtypePredicate("Zombie"));
             Card[] cards = player.getGraveyard().getCards(filter, game).toArray(new Card[0]);
             if (cards.length > 0) {
-                Random rnd = new Random();
-                Card card = cards[rnd.nextInt(cards.length)];
+                Card card = cards[RandomUtil.nextInt(cards.length)];
                 card.moveToZone(Zone.HAND, source.getSourceId(), game, true);
                 game.informPlayers(card.getName() + "returned to the hand of" + player.getLogName());
                 return true;
diff --git a/Mage.Sets/src/mage/sets/innistrad/MoldgrafMonstrosity.java b/Mage.Sets/src/mage/sets/innistrad/MoldgrafMonstrosity.java
index 2e4d4db01d..bc16b5b3c4 100644
--- a/Mage.Sets/src/mage/sets/innistrad/MoldgrafMonstrosity.java
+++ b/Mage.Sets/src/mage/sets/innistrad/MoldgrafMonstrosity.java
@@ -45,6 +45,7 @@ import mage.cards.CardImpl;
 import mage.filter.common.FilterCreatureCard;
 import mage.game.Game;
 import mage.players.Player;
+import mage.util.RandomUtil;
 
 /**
  *
@@ -116,7 +117,7 @@ class MoldgrafMonstrosityEffect extends OneShotEffect {
             return null;
         }
         int i = 0;
-        int pick = new Random().nextInt(cards.size());
+        int pick = RandomUtil.nextInt(cards.size());
         for (Card card : cards) {
             if (i == pick) {
                 return card;
diff --git a/Mage.Sets/src/mage/sets/innistrad/WoodlandSleuth.java b/Mage.Sets/src/mage/sets/innistrad/WoodlandSleuth.java
index 58bfb1279a..b956488b40 100644
--- a/Mage.Sets/src/mage/sets/innistrad/WoodlandSleuth.java
+++ b/Mage.Sets/src/mage/sets/innistrad/WoodlandSleuth.java
@@ -45,6 +45,7 @@ import mage.cards.CardImpl;
 import mage.filter.common.FilterCreatureCard;
 import mage.game.Game;
 import mage.players.Player;
+import mage.util.RandomUtil;
 
 /**
  *
@@ -101,8 +102,7 @@ class WoodlandSleuthEffect extends OneShotEffect {
         if (player != null) {
             Card[] cards = player.getGraveyard().getCards(new FilterCreatureCard(), game).toArray(new Card[0]);
             if (cards.length > 0) {
-                Random rnd = new Random();
-                Card card = cards[rnd.nextInt(cards.length)];
+                Card card = cards[RandomUtil.nextInt(cards.length)];
                 card.moveToZone(Zone.HAND, source.getSourceId(), game, true);
                 game.informPlayers(card.getName() + " returned to the hand of " + player.getLogName());
                 return true;
diff --git a/Mage.Sets/src/mage/sets/magic2010/CapriciousEfreet.java b/Mage.Sets/src/mage/sets/magic2010/CapriciousEfreet.java
index 302de2ba8c..df5050cd3e 100644
--- a/Mage.Sets/src/mage/sets/magic2010/CapriciousEfreet.java
+++ b/Mage.Sets/src/mage/sets/magic2010/CapriciousEfreet.java
@@ -44,6 +44,7 @@ import mage.filter.predicate.permanent.ControllerPredicate;
 import mage.game.Game;
 import mage.game.permanent.Permanent;
 import mage.target.TargetPermanent;
+import mage.util.RandomUtil;
 
 /**
  *
@@ -115,8 +116,7 @@ class CapriciousEfreetEffect extends OneShotEffect {
         }
 
         if (!targetPermanents.isEmpty()) {
-            Random random = new Random();
-            permanent = targetPermanents.get(random.nextInt(targetPermanents.size()));
+            permanent = targetPermanents.get(RandomUtil.nextInt(targetPermanents.size()));
             permanent.destroy(source.getSourceId(), game, false);
             return true;
         }
diff --git a/Mage.Sets/src/mage/sets/magic2012/Scrambleverse.java b/Mage.Sets/src/mage/sets/magic2012/Scrambleverse.java
index f3ba25b30d..b83a8cfd60 100644
--- a/Mage.Sets/src/mage/sets/magic2012/Scrambleverse.java
+++ b/Mage.Sets/src/mage/sets/magic2012/Scrambleverse.java
@@ -43,6 +43,7 @@ import mage.game.Game;
 import mage.game.permanent.Permanent;
 import mage.players.PlayerList;
 import mage.target.targetpointer.FixedTarget;
+import mage.util.RandomUtil;
 
 /**
  *
@@ -81,11 +82,10 @@ class ScrambleverseEffect extends OneShotEffect {
 
     @Override
     public boolean apply(Game game, Ability source) {
-        Random random = new Random();
         PlayerList players = game.getState().getPlayersInRange(source.getControllerId(), game);
         int count = players.size();
         for (Permanent permanent : game.getBattlefield().getActivePermanents(new FilterNonlandPermanent(), source.getControllerId(), source.getSourceId(), game)) {
-            ContinuousEffect effect = new GainControlTargetEffect(Duration.Custom, true, players.get(random.nextInt(count)));
+            ContinuousEffect effect = new GainControlTargetEffect(Duration.Custom, true, players.get(RandomUtil.nextInt(count)));
             effect.setTargetPointer(new FixedTarget(permanent.getId()));
             game.addEffect(effect, source);
             permanent.untap(game);
diff --git a/Mage.Sets/src/mage/sets/magic2014/MoltenBirth.java b/Mage.Sets/src/mage/sets/magic2014/MoltenBirth.java
index ff8fc7e9bb..df4221518d 100644
--- a/Mage.Sets/src/mage/sets/magic2014/MoltenBirth.java
+++ b/Mage.Sets/src/mage/sets/magic2014/MoltenBirth.java
@@ -41,6 +41,7 @@ import mage.constants.Zone;
 import mage.game.Game;
 import mage.game.permanent.token.Token;
 import mage.players.Player;
+import mage.util.RandomUtil;
 
 /**
  *
@@ -106,7 +107,7 @@ class ElementalToken extends Token {
     public ElementalToken() {
         super("Elemental", "1/1 red Elemental creature");
         this.setOriginalExpansionSetCode("M14");
-        this.setTokenType(new Random().nextInt(2) + 1);
+        this.setTokenType(RandomUtil.nextInt(2) + 1);
         cardType.add(CardType.CREATURE);
         color.setRed(true);
         subtype.add("Elemental");
diff --git a/Mage.Sets/src/mage/sets/mirrodin/KrarksThumb.java b/Mage.Sets/src/mage/sets/mirrodin/KrarksThumb.java
index 68c7595f22..24b2f71d8d 100644
--- a/Mage.Sets/src/mage/sets/mirrodin/KrarksThumb.java
+++ b/Mage.Sets/src/mage/sets/mirrodin/KrarksThumb.java
@@ -41,6 +41,7 @@ import mage.constants.Zone;
 import mage.game.Game;
 import mage.game.events.GameEvent;
 import mage.players.Player;
+import mage.util.RandomUtil;
 
 /**
  *
@@ -83,7 +84,7 @@ class KrarksThumbEffect extends ReplacementEffectImpl {
         Player player = game.getPlayer(event.getPlayerId());
         if (player != null) {
             // because second flip is ignored it may not be done by the player method
-            boolean secondCoinFlip = new Random().nextBoolean();
+            boolean secondCoinFlip = RandomUtil.nextBoolean();
             if (!game.isSimulation()) {
                 game.informPlayers("[Flip a coin] " + player.getLogName() + (secondCoinFlip ? " won (head)." : " lost (tail)."));
             }
diff --git a/Mage.Sets/src/mage/sets/riseoftheeldrazi/SurrealMemoir.java b/Mage.Sets/src/mage/sets/riseoftheeldrazi/SurrealMemoir.java
index cdc512d4cb..9bd362867e 100644
--- a/Mage.Sets/src/mage/sets/riseoftheeldrazi/SurrealMemoir.java
+++ b/Mage.Sets/src/mage/sets/riseoftheeldrazi/SurrealMemoir.java
@@ -42,6 +42,7 @@ import mage.filter.FilterCard;
 import mage.filter.predicate.mageobject.CardTypePredicate;
 import mage.game.Game;
 import mage.players.Player;
+import mage.util.RandomUtil;
 
 /**
  *
@@ -93,8 +94,7 @@ class SurrealMemoirEffect extends OneShotEffect {
             filter.add(new CardTypePredicate(CardType.INSTANT));
             Card[] cards = player.getGraveyard().getCards(filter, game).toArray(new Card[0]);
             if (cards.length > 0) {
-                Random rnd = new Random();
-                Card card = cards[rnd.nextInt(cards.length)];
+                Card card = cards[RandomUtil.nextInt(cards.length)];
                 card.moveToZone(Zone.HAND, source.getSourceId(), game, true);
                 game.informPlayers(card.getName() + "returned to the hand of" + player.getLogName());
                 return true;
diff --git a/Mage.Sets/src/mage/sets/scourge/GripOfChaos.java b/Mage.Sets/src/mage/sets/scourge/GripOfChaos.java
index 0f846931d0..4f7131948d 100644
--- a/Mage.Sets/src/mage/sets/scourge/GripOfChaos.java
+++ b/Mage.Sets/src/mage/sets/scourge/GripOfChaos.java
@@ -47,6 +47,7 @@ import mage.game.events.GameEvent.EventType;
 import mage.game.stack.StackObject;
 import mage.target.Target;
 import mage.target.targetpointer.FixedTarget;
+import mage.util.RandomUtil;
 
 /**
  *
@@ -154,7 +155,7 @@ class GripOfChaosEffect extends OneShotEffect {
                     Set<UUID> possibleTargets = target.possibleTargets(source.getSourceId(), source.getControllerId(), game);
                     if (possibleTargets.size() > 0) {
                         int i = 0;
-                        int rnd = new Random().nextInt(possibleTargets.size());
+                        int rnd = RandomUtil.nextInt(possibleTargets.size());
                         Iterator<UUID> it = possibleTargets.iterator();
                         while (i < rnd) {
                             it.next();
diff --git a/Mage.Sets/src/mage/sets/shadowmoor/WildSwing.java b/Mage.Sets/src/mage/sets/shadowmoor/WildSwing.java
index 3b3c4ac10a..a6e9ac5718 100644
--- a/Mage.Sets/src/mage/sets/shadowmoor/WildSwing.java
+++ b/Mage.Sets/src/mage/sets/shadowmoor/WildSwing.java
@@ -43,6 +43,7 @@ import mage.game.Game;
 import mage.game.permanent.Permanent;
 import mage.target.Target;
 import mage.target.TargetPermanent;
+import mage.util.RandomUtil;
 
 /**
  *
@@ -98,8 +99,8 @@ class WildSwingEffect extends OneShotEffect {
         if (!source.getTargets().isEmpty() && sourceObject != null) {
             Target target = source.getTargets().get(0);
             if (target != null && !target.getTargets().isEmpty()) {
-                Random rnd = new Random();
-                Permanent targetPermanent = game.getPermanent(target.getTargets().get(rnd.nextInt(target.getTargets().size())));
+
+                Permanent targetPermanent = game.getPermanent(target.getTargets().get(RandomUtil.nextInt(target.getTargets().size())));
                 if (targetPermanent != null) {
                     game.informPlayers(sourceObject.getLogName() + ": The randomly chosen target to destroy is " + targetPermanent.getLogName());
                     targetPermanent.destroy(source.getSourceId(), game, false);
diff --git a/Mage/src/main/java/mage/cards/CardsImpl.java b/Mage/src/main/java/mage/cards/CardsImpl.java
index 46eeb4984d..9719114d32 100644
--- a/Mage/src/main/java/mage/cards/CardsImpl.java
+++ b/Mage/src/main/java/mage/cards/CardsImpl.java
@@ -41,6 +41,7 @@ import java.util.Set;
 import java.util.UUID;
 import mage.filter.FilterCard;
 import mage.game.Game;
+import mage.util.RandomUtil;
 import mage.util.ThreadLocalStringBuilder;
 
 /**
@@ -51,7 +52,6 @@ public class CardsImpl extends LinkedHashSet<UUID> implements Cards, Serializabl
 
     private static final ThreadLocalStringBuilder threadLocalBuilder = new ThreadLocalStringBuilder(200);
 
-    private static Random rnd = new Random();
     private UUID ownerId;
 
     public CardsImpl() {
@@ -114,7 +114,7 @@ public class CardsImpl extends LinkedHashSet<UUID> implements Cards, Serializabl
             return null;
         }
         UUID[] cards = this.toArray(new UUID[this.size()]);
-        return game.getCard(cards[rnd.nextInt(cards.length)]);
+        return game.getCard(cards[RandomUtil.nextInt(cards.length)]);
     }
 
     @Override
diff --git a/Mage/src/main/java/mage/cards/ExpansionSet.java b/Mage/src/main/java/mage/cards/ExpansionSet.java
index a81f82ce04..3b4e004d9c 100644
--- a/Mage/src/main/java/mage/cards/ExpansionSet.java
+++ b/Mage/src/main/java/mage/cards/ExpansionSet.java
@@ -38,13 +38,13 @@ import mage.cards.repository.CardInfo;
 import mage.cards.repository.CardRepository;
 import mage.constants.Rarity;
 import mage.constants.SetType;
+import mage.util.RandomUtil;
 
 /**
  * @author BetaSteward_at_googlemail.com
  */
 public abstract class ExpansionSet implements Serializable {
 
-    protected static Random rnd = new Random();
 
     protected String name;
     protected String code;
@@ -136,7 +136,7 @@ public abstract class ExpansionSet implements Serializable {
 
     protected void addToBooster(List<Card> booster, List<CardInfo> cards) {
         if (!cards.isEmpty()) {
-            CardInfo cardInfo = cards.remove(rnd.nextInt(cards.size()));
+            CardInfo cardInfo = cards.remove(RandomUtil.nextInt(cards.size()));
             if (cardInfo != null) {
                 Card card = cardInfo.getCard();
                 if (card != null) {
@@ -156,7 +156,7 @@ public abstract class ExpansionSet implements Serializable {
             List<CardInfo> specialLands = getSpecialLand();
             List<CardInfo> basicLands = getCardsByRarity(Rarity.LAND);
             for (int i = 0; i < numBoosterLands; i++) {
-                if (ratioBoosterSpecialLand > 0 && rnd.nextInt(ratioBoosterSpecialLand) == 0 && specialLands != null) {
+                if (ratioBoosterSpecialLand > 0 && RandomUtil.nextInt(ratioBoosterSpecialLand) == 0 && specialLands != null) {
                     addToBooster(booster, specialLands);
                 } else {
                     addToBooster(booster, basicLands);
@@ -183,7 +183,7 @@ public abstract class ExpansionSet implements Serializable {
         List<CardInfo> rares = getCardsByRarity(Rarity.RARE);
         List<CardInfo> mythics = getCardsByRarity(Rarity.MYTHIC);
         for (int i = 0; i < numBoosterRare; i++) {
-            if (ratioBoosterMythic > 0 && rnd.nextInt(ratioBoosterMythic) == 0) {
+            if (ratioBoosterMythic > 0 && RandomUtil.nextInt(ratioBoosterMythic) == 0) {
                 addToBooster(booster, mythics);
             } else {
                 addToBooster(booster, rares);
@@ -208,11 +208,11 @@ public abstract class ExpansionSet implements Serializable {
         for (int i = 0; i < numBoosterDoubleFaced; i++) {
             CardCriteria criteria = new CardCriteria();
             criteria.setCodes(this.code).doubleFaced(true);
-            if (rnd.nextInt(15) < 10) {
+            if (RandomUtil.nextInt(15) < 10) {
                 criteria.rarities(Rarity.COMMON);
-            } else if (rnd.nextInt(5) < 4) {
+            } else if (RandomUtil.nextInt(5) < 4) {
                 criteria.rarities(Rarity.UNCOMMON);
-            } else if (rnd.nextInt(8) < 7) {
+            } else if (RandomUtil.nextInt(8) < 7) {
                 criteria.rarities(Rarity.RARE);
             } else {
                 criteria.rarities(Rarity.MYTHIC);
@@ -265,7 +265,7 @@ public abstract class ExpansionSet implements Serializable {
         }
         if (specialCards > 0) {
             for (int i = 0; i < numBoosterSpecial; i++) {
-                if (rnd.nextInt(15) < 10) {
+                if (RandomUtil.nextInt(15) < 10) {
                     if (specialCommon != null && !specialCommon.isEmpty()) {
                         addToBooster(booster, specialCommon);
                     } else {
@@ -273,7 +273,7 @@ public abstract class ExpansionSet implements Serializable {
                     }
                     continue;
                 }
-                if (rnd.nextInt(4) < 3) {
+                if (RandomUtil.nextInt(4) < 3) {
                     if (specialUncommon != null && !specialUncommon.isEmpty()) {
                         addToBooster(booster, specialUncommon);
                     } else {
@@ -281,7 +281,7 @@ public abstract class ExpansionSet implements Serializable {
                     }
                     continue;
                 }
-                if (rnd.nextInt(8) < 7) {
+                if (RandomUtil.nextInt(8) < 7) {
                     if (specialRare != null && !specialRare.isEmpty()) {
                         addToBooster(booster, specialRare);
                     } else {
@@ -291,7 +291,7 @@ public abstract class ExpansionSet implements Serializable {
                 }
                 if (specialMythic != null && !specialMythic.isEmpty()) {
                     if (specialBonus != null && !specialBonus.isEmpty()) {
-                        if (rnd.nextInt(3) < 2) {
+                        if (RandomUtil.nextInt(3) < 2) {
                             addToBooster(booster, specialMythic);
                             continue;
                         }
diff --git a/Mage/src/main/java/mage/cards/Sets.java b/Mage/src/main/java/mage/cards/Sets.java
index 0ddb5a8828..41b605973e 100644
--- a/Mage/src/main/java/mage/cards/Sets.java
+++ b/Mage/src/main/java/mage/cards/Sets.java
@@ -45,6 +45,7 @@ import mage.constants.CardType;
 import mage.constants.ColoredManaSymbol;
 import mage.util.ClassScanner;
 
+import mage.util.RandomUtil;
 import org.apache.log4j.Logger;
 
 /**
@@ -55,7 +56,6 @@ public class Sets extends HashMap<String, ExpansionSet> {
 
     private static final Logger logger = Logger.getLogger(Sets.class);
     private static final Sets fINSTANCE =  new Sets();
-    protected static Random rnd = new Random();
 
     public static Sets getInstance() {
         return fINSTANCE;
@@ -111,7 +111,7 @@ public class Sets extends HashMap<String, ExpansionSet> {
         int tries = 0;
         List<Card> cardPool = new ArrayList<>();
         while (count < cardsCount) {
-            CardInfo cardInfo = cards.get(rnd.nextInt(cards.size()));
+            CardInfo cardInfo = cards.get(RandomUtil.nextInt(cards.size()));
             Card card = cardInfo != null ? cardInfo.getCard() : null;
             if (card != null) {
                 cardPool.add(card);
diff --git a/Mage/src/main/java/mage/cards/decks/importer/MWSDeckImporter.java b/Mage/src/main/java/mage/cards/decks/importer/MWSDeckImporter.java
index 7ee643ff02..0f738099ad 100644
--- a/Mage/src/main/java/mage/cards/decks/importer/MWSDeckImporter.java
+++ b/Mage/src/main/java/mage/cards/decks/importer/MWSDeckImporter.java
@@ -34,6 +34,7 @@ import mage.cards.decks.DeckCardLists;
 import mage.cards.repository.CardCriteria;
 import mage.cards.repository.CardInfo;
 import mage.cards.repository.CardRepository;
+import mage.util.RandomUtil;
 
 /**
  *
@@ -71,7 +72,7 @@ public class MWSDeckImporter extends DeckImporter {
                 List<CardInfo> cards = null;
                 cards = CardRepository.instance.findCards(criteria);
                 if (!cards.isEmpty()) {
-                    cardInfo = cards.get(new Random().nextInt(cards.size()));
+                    cardInfo = cards.get(RandomUtil.nextInt(cards.size()));
                 }
             } 
             if (cardInfo == null) {
diff --git a/Mage/src/main/java/mage/cards/repository/CardRepository.java b/Mage/src/main/java/mage/cards/repository/CardRepository.java
index 448771998b..278d9ea027 100644
--- a/Mage/src/main/java/mage/cards/repository/CardRepository.java
+++ b/Mage/src/main/java/mage/cards/repository/CardRepository.java
@@ -48,6 +48,7 @@ import java.util.TreeSet;
 import java.util.concurrent.Callable;
 import mage.constants.CardType;
 import mage.constants.SetType;
+import mage.util.RandomUtil;
 import org.apache.log4j.Logger;
 
 /**
@@ -65,7 +66,6 @@ public enum CardRepository {
     // raise this if new cards were added to the server
     private static final long CARD_CONTENT_VERSION = 57;
 
-    private final Random random = new Random();
     private Dao<CardInfo, Object> cardDao;
     private Set<String> classNames;
 
@@ -317,7 +317,7 @@ public enum CardRepository {
     public CardInfo findCard(String name) {
         List<CardInfo> cards = findCards(name);
         if (!cards.isEmpty()) {
-            return cards.get(random.nextInt(cards.size()));
+            return cards.get(RandomUtil.nextInt(cards.size()));
         }
         return null;
     }
diff --git a/Mage/src/main/java/mage/game/GameImpl.java b/Mage/src/main/java/mage/game/GameImpl.java
index 2e3b727214..16227b0073 100644
--- a/Mage/src/main/java/mage/game/GameImpl.java
+++ b/Mage/src/main/java/mage/game/GameImpl.java
@@ -124,6 +124,7 @@ import mage.target.TargetPermanent;
 import mage.target.TargetPlayer;
 import mage.util.GameLog;
 import mage.util.MessageToClient;
+import mage.util.RandomUtil;
 import mage.util.functions.ApplyToPermanent;
 import mage.watchers.Watchers;
 import mage.watchers.common.BlockedAttackerWatcher;
@@ -159,7 +160,6 @@ public abstract class GameImpl implements Game, Serializable {
         FILTER_LEGENDARY.add(new SupertypePredicate("Legendary"));
     }
 
-    private static Random rnd = new Random();
 
     private transient Object customData;
     protected boolean simulation = false;
@@ -1098,7 +1098,7 @@ public abstract class GameImpl implements Game, Serializable {
         UUID[] players = getPlayers().keySet().toArray(new UUID[0]);
         UUID playerId;
         while (!hasEnded()) {
-            playerId = players[rnd.nextInt(players.length)];
+            playerId = players[RandomUtil.nextInt(players.length)];
             Player player = getPlayer(playerId);
             if (player != null && player.isInGame()) {
                 fireInformEvent(state.getPlayer(playerId).getLogName() + " won the toss");
diff --git a/Mage/src/main/java/mage/game/draft/DraftCube.java b/Mage/src/main/java/mage/game/draft/DraftCube.java
index e5df9e6680..2e8fddc109 100644
--- a/Mage/src/main/java/mage/game/draft/DraftCube.java
+++ b/Mage/src/main/java/mage/game/draft/DraftCube.java
@@ -34,6 +34,7 @@ import mage.cards.Card;
 import mage.cards.repository.CardCriteria;
 import mage.cards.repository.CardInfo;
 import mage.cards.repository.CardRepository;
+import mage.util.RandomUtil;
 import org.apache.log4j.Logger;
 
 /**
@@ -71,7 +72,6 @@ public abstract class DraftCube {
 
     private static final Logger logger = Logger.getLogger(DraftCube.class);
 
-    private static final Random rnd = new Random();
     private final String name;
     private final int boosterSize = 15;
 
@@ -100,7 +100,7 @@ public abstract class DraftCube {
             boolean done = false;
             int notValid = 0;
             while (!done) {
-                int index = rnd.nextInt(leftCubeCards.size());
+                int index = RandomUtil.nextInt(leftCubeCards.size());
                 CardIdentity cardId = leftCubeCards.get(index);
                 leftCubeCards.remove(index);
                 if (!cardId.getName().isEmpty()) {
diff --git a/Mage/src/main/java/mage/game/draft/DraftImpl.java b/Mage/src/main/java/mage/game/draft/DraftImpl.java
index babf5359bd..f0a73ce0d9 100644
--- a/Mage/src/main/java/mage/game/draft/DraftImpl.java
+++ b/Mage/src/main/java/mage/game/draft/DraftImpl.java
@@ -121,6 +121,7 @@ public abstract class DraftImpl implements Draft {
                 for(UUID playerId : players.keySet()) {
                     table.add(playerId);
                 }
+
                 table.setCurrent(currentId);
             }
             if (oldDraftPlayer.isPicking()) {
diff --git a/Mage/src/main/java/mage/game/match/MatchImpl.java b/Mage/src/main/java/mage/game/match/MatchImpl.java
index a864f1f5c6..d3d4f1091a 100644
--- a/Mage/src/main/java/mage/game/match/MatchImpl.java
+++ b/Mage/src/main/java/mage/game/match/MatchImpl.java
@@ -45,6 +45,7 @@ import mage.game.result.ResultProtos.MatchProto;
 import mage.game.result.ResultProtos.MatchQuitStatus;
 import mage.players.Player;
 import mage.util.DateFormat;
+import mage.util.RandomUtil;
 import org.apache.log4j.Logger;
 
 /**
@@ -243,7 +244,7 @@ public abstract class MatchImpl implements Match {
     }
 
     protected void shufflePlayers() {
-        Collections.shuffle(this.players, new Random());
+        Collections.shuffle(this.players, RandomUtil.getRandom());
     }
 
     @Override
diff --git a/Mage/src/main/java/mage/game/permanent/token/CentaurToken.java b/Mage/src/main/java/mage/game/permanent/token/CentaurToken.java
index 2517090bc6..222201ef11 100644
--- a/Mage/src/main/java/mage/game/permanent/token/CentaurToken.java
+++ b/Mage/src/main/java/mage/game/permanent/token/CentaurToken.java
@@ -31,6 +31,7 @@ package mage.game.permanent.token;
 import java.util.Random;
 import mage.constants.CardType;
 import mage.MageInt;
+import mage.util.RandomUtil;
 
 /**
  *
@@ -41,7 +42,7 @@ public class CentaurToken extends Token {
     public CentaurToken() {
         super("Centaur", "3/3 green Centaur creature token");
         cardType.add(CardType.CREATURE);
-        setTokenType(new Random().nextInt(2) +1); // randomly take image 1 or 2
+        setTokenType(RandomUtil.nextInt(2) +1); // randomly take image 1 or 2
         color.setGreen(true);
         subtype.add("Centaur");
         power = new MageInt(3);
diff --git a/Mage/src/main/java/mage/game/permanent/token/ClueArtifactToken.java b/Mage/src/main/java/mage/game/permanent/token/ClueArtifactToken.java
index d1e64b27f8..0e2ffa5785 100644
--- a/Mage/src/main/java/mage/game/permanent/token/ClueArtifactToken.java
+++ b/Mage/src/main/java/mage/game/permanent/token/ClueArtifactToken.java
@@ -38,6 +38,7 @@ import mage.abilities.costs.mana.GenericManaCost;
 import mage.abilities.effects.common.DrawCardSourceControllerEffect;
 import mage.constants.CardType;
 import mage.constants.Zone;
+import mage.util.RandomUtil;
 
 /**
  *
@@ -69,10 +70,10 @@ public class ClueArtifactToken extends Token {
     public void setExpansionSetCodeForImage(String code) {
         super.setExpansionSetCodeForImage(code);
         if (getOriginalExpansionSetCode().equals("SOI")) {
-            this.setTokenType(new Random().nextInt(6) + 1); // 6 different images
+            this.setTokenType(RandomUtil.nextInt(6) + 1); // 6 different images
         }
         if (getOriginalExpansionSetCode().equals("EDM")) {
-            this.setTokenType(new Random().nextInt(6) + 1); // 6 different images
+            this.setTokenType(RandomUtil.nextInt(6) + 1); // 6 different images
         }
     }
 
diff --git a/Mage/src/main/java/mage/game/permanent/token/EldraziScionToken.java b/Mage/src/main/java/mage/game/permanent/token/EldraziScionToken.java
index 7b347d7de5..c2564d3669 100644
--- a/Mage/src/main/java/mage/game/permanent/token/EldraziScionToken.java
+++ b/Mage/src/main/java/mage/game/permanent/token/EldraziScionToken.java
@@ -37,6 +37,7 @@ import mage.abilities.costs.common.SacrificeSourceCost;
 import mage.abilities.mana.SimpleManaAbility;
 import mage.constants.CardType;
 import mage.constants.Zone;
+import mage.util.RandomUtil;
 
 /**
  *
@@ -65,10 +66,10 @@ public class EldraziScionToken extends Token {
     public void setExpansionSetCodeForImage(String code) {
         super.setExpansionSetCodeForImage(code);
         if (getOriginalExpansionSetCode().equals("BFZ")) {
-            this.setTokenType(new Random().nextInt(3) + 1); // 3 different images
+            this.setTokenType(RandomUtil.nextInt(3) + 1); // 3 different images
         }
         if (getOriginalExpansionSetCode().equals("OGW")) {
-            this.setTokenType(new Random().nextInt(6) + 1); // 6 different images
+            this.setTokenType(RandomUtil.nextInt(6) + 1); // 6 different images
         }
     }
 
diff --git a/Mage/src/main/java/mage/game/permanent/token/EldraziSpawnToken.java b/Mage/src/main/java/mage/game/permanent/token/EldraziSpawnToken.java
index 2ec29418c6..43956bef29 100644
--- a/Mage/src/main/java/mage/game/permanent/token/EldraziSpawnToken.java
+++ b/Mage/src/main/java/mage/game/permanent/token/EldraziSpawnToken.java
@@ -37,6 +37,7 @@ import mage.abilities.costs.common.SacrificeSourceCost;
 import mage.abilities.mana.SimpleManaAbility;
 import mage.constants.CardType;
 import mage.constants.Zone;
+import mage.util.RandomUtil;
 
 /**
  *
@@ -61,6 +62,6 @@ public class EldraziSpawnToken extends Token {
 
         availableImageSetCodes = tokenImageSets;
         // Get one of the three possible token images
-        this.setTokenType(new Random().nextInt(3) + 1);
+        this.setTokenType(RandomUtil.nextInt(3) + 1);
     }
 }
\ No newline at end of file
diff --git a/Mage/src/main/java/mage/game/permanent/token/SoldierToken.java b/Mage/src/main/java/mage/game/permanent/token/SoldierToken.java
index 8ce18a7b7a..ede064baf2 100644
--- a/Mage/src/main/java/mage/game/permanent/token/SoldierToken.java
+++ b/Mage/src/main/java/mage/game/permanent/token/SoldierToken.java
@@ -33,6 +33,7 @@ import java.util.List;
 import java.util.Random;
 import mage.MageInt;
 import mage.constants.CardType;
+import mage.util.RandomUtil;
 
 /**
  *
@@ -62,7 +63,7 @@ public class SoldierToken extends Token {
     public void setExpansionSetCodeForImage(String code) {
         super.setExpansionSetCodeForImage(code);
         if (getOriginalExpansionSetCode().equals("THS")) {
-            this.setTokenType(new Random().nextInt(2) + 1);
+            this.setTokenType(RandomUtil.nextInt(2) + 1);
         }
     }
 
diff --git a/Mage/src/main/java/mage/game/permanent/token/ThopterColorlessToken.java b/Mage/src/main/java/mage/game/permanent/token/ThopterColorlessToken.java
index 695be8d111..3e48856803 100644
--- a/Mage/src/main/java/mage/game/permanent/token/ThopterColorlessToken.java
+++ b/Mage/src/main/java/mage/game/permanent/token/ThopterColorlessToken.java
@@ -34,6 +34,7 @@ import java.util.Random;
 import mage.MageInt;
 import mage.abilities.keyword.FlyingAbility;
 import mage.constants.CardType;
+import mage.util.RandomUtil;
 
 /**
  *
@@ -63,7 +64,7 @@ public class ThopterColorlessToken extends Token {
     public void setExpansionSetCodeForImage(String code) {
         super.setExpansionSetCodeForImage(code);
         if (getOriginalExpansionSetCode().equals("ORI")) {
-            this.setTokenType(new Random().nextInt(2) + 1);
+            this.setTokenType(RandomUtil.nextInt(2) + 1);
         }
     }
 
diff --git a/Mage/src/main/java/mage/game/permanent/token/Token.java b/Mage/src/main/java/mage/game/permanent/token/Token.java
index 84dfc61367..012f07187f 100644
--- a/Mage/src/main/java/mage/game/permanent/token/Token.java
+++ b/Mage/src/main/java/mage/game/permanent/token/Token.java
@@ -46,6 +46,7 @@ import mage.game.events.ZoneChangeEvent;
 import mage.game.permanent.Permanent;
 import mage.game.permanent.PermanentToken;
 import mage.players.Player;
+import mage.util.RandomUtil;
 
 public class Token extends MageObjectImpl {
 
@@ -290,7 +291,7 @@ public class Token extends MageObjectImpl {
                 // we should not set random set if appropriate set is already used
                 if (getOriginalExpansionSetCode() == null || getOriginalExpansionSetCode().isEmpty()
                         || !availableImageSetCodes.contains(getOriginalExpansionSetCode())) {
-                    setOriginalExpansionSetCode(availableImageSetCodes.get(new Random().nextInt(availableImageSetCodes.size())));
+                    setOriginalExpansionSetCode(availableImageSetCodes.get(RandomUtil.nextInt(availableImageSetCodes.size())));
                 }
             }
         } else {
diff --git a/Mage/src/main/java/mage/game/permanent/token/WarriorToken.java b/Mage/src/main/java/mage/game/permanent/token/WarriorToken.java
index 5ddc1c3aa2..6a34f22d33 100644
--- a/Mage/src/main/java/mage/game/permanent/token/WarriorToken.java
+++ b/Mage/src/main/java/mage/game/permanent/token/WarriorToken.java
@@ -32,6 +32,7 @@ import java.util.Arrays;
 import java.util.Random;
 import mage.MageInt;
 import mage.constants.CardType;
+import mage.util.RandomUtil;
 
 /**
  *
@@ -62,7 +63,7 @@ public class WarriorToken extends Token {
     public void setExpansionSetCodeForImage(String code) {
         super.setExpansionSetCodeForImage(code);
         if (getOriginalExpansionSetCode().equals("KTK")) {
-            this.setTokenType(new Random().nextInt(2) + 1);
+            this.setTokenType(RandomUtil.nextInt(2) + 1);
         }
     }
 }
diff --git a/Mage/src/main/java/mage/game/permanent/token/ZombieToken.java b/Mage/src/main/java/mage/game/permanent/token/ZombieToken.java
index fec1a2d90c..8da3f8ad3d 100644
--- a/Mage/src/main/java/mage/game/permanent/token/ZombieToken.java
+++ b/Mage/src/main/java/mage/game/permanent/token/ZombieToken.java
@@ -33,6 +33,7 @@ import java.util.List;
 import java.util.Random;
 import mage.MageInt;
 import mage.constants.CardType;
+import mage.util.RandomUtil;
 
 /**
  *
@@ -61,13 +62,13 @@ public class ZombieToken extends Token {
     public void setExpansionSetCodeForImage(String code) {
         super.setExpansionSetCodeForImage(code);
         if (getOriginalExpansionSetCode().equals("ISD")) {
-            this.setTokenType(new Random().nextInt(3) + 1);
+            this.setTokenType(RandomUtil.nextInt(3) + 1);
         }
         if (getOriginalExpansionSetCode().equals("C14")) {
             this.setTokenType(2);
         }
         if (getOriginalExpansionSetCode().equals("EMN")) {
-            this.setTokenType(new Random().nextInt(4) + 1);
+            this.setTokenType(RandomUtil.nextInt(4) + 1);
         }
     }
 
diff --git a/Mage/src/main/java/mage/game/tournament/TournamentImpl.java b/Mage/src/main/java/mage/game/tournament/TournamentImpl.java
index ae2fea34ce..ebc7faf589 100644
--- a/Mage/src/main/java/mage/game/tournament/TournamentImpl.java
+++ b/Mage/src/main/java/mage/game/tournament/TournamentImpl.java
@@ -57,6 +57,7 @@ import mage.game.result.ResultProtos.MatchQuitStatus;
 import mage.game.result.ResultProtos.TourneyProto;
 import mage.game.result.ResultProtos.TourneyRoundProto;
 import mage.players.Player;
+import mage.util.RandomUtil;
 import org.apache.log4j.Logger;
 
 /**
@@ -68,7 +69,6 @@ public abstract class TournamentImpl implements Tournament {
     protected UUID id = UUID.randomUUID();
     protected List<Round> rounds = new CopyOnWriteArrayList<>();
     protected Map<UUID, TournamentPlayer> players = new HashMap<>();
-    protected static Random rnd = new Random();
     protected String matchName;
     protected TournamentOptions options;
     protected TournamentType tournamentType;
@@ -217,7 +217,7 @@ public abstract class TournamentImpl implements Tournament {
     private TournamentPlayer getNextAvailablePlayer(List<TournamentPlayer> roundPlayers, List<TournamentPlayer> playerWithByes) {
         TournamentPlayer nextPlayer;
         if (playerWithByes.isEmpty()) {
-            int i = rnd.nextInt(roundPlayers.size());
+            int i = RandomUtil.nextInt(roundPlayers.size());
             nextPlayer = roundPlayers.get(i);
             roundPlayers.remove(i);
         } else { // prefer players with byes to pair
diff --git a/Mage/src/main/java/mage/players/Library.java b/Mage/src/main/java/mage/players/Library.java
index 94db01427e..157a986bba 100644
--- a/Mage/src/main/java/mage/players/Library.java
+++ b/Mage/src/main/java/mage/players/Library.java
@@ -45,6 +45,7 @@ import mage.cards.Card;
 import mage.constants.Zone;
 import mage.filter.FilterCard;
 import mage.game.Game;
+import mage.util.RandomUtil;
 
 /**
  *
@@ -52,7 +53,6 @@ import mage.game.Game;
  */
 public class Library implements Serializable {
 
-    private static Random rnd = new Random();
 
     private boolean emptyDraw;
     private final Deque<UUID> library = new ArrayDeque<>();
@@ -76,7 +76,7 @@ public class Library implements Serializable {
     public void shuffle() {
         UUID[] shuffled = library.toArray(new UUID[0]);
         for (int n = shuffled.length - 1; n > 0; n--) {
-            int r = rnd.nextInt(n);
+            int r = RandomUtil.nextInt(n);
             UUID temp = shuffled[n];
             shuffled[n] = shuffled[r];
             shuffled[r] = temp;
diff --git a/Mage/src/main/java/mage/players/PlayerImpl.java b/Mage/src/main/java/mage/players/PlayerImpl.java
index d921af4bd4..12e72769ca 100644
--- a/Mage/src/main/java/mage/players/PlayerImpl.java
+++ b/Mage/src/main/java/mage/players/PlayerImpl.java
@@ -135,13 +135,13 @@ import mage.target.common.TargetCardInLibrary;
 import mage.target.common.TargetDiscard;
 import mage.util.CardUtil;
 import mage.util.GameLog;
+import mage.util.RandomUtil;
 import org.apache.log4j.Logger;
 
 public abstract class PlayerImpl implements Player, Serializable {
 
     private static final Logger logger = Logger.getLogger(PlayerImpl.class);
 
-    private static Random rnd = new Random();
     private static SimpleDateFormat sdf = new SimpleDateFormat("HH:mm:ss.SSS");
 
     /**
@@ -2329,7 +2329,7 @@ public abstract class PlayerImpl implements Player, Serializable {
      */
     @Override
     public boolean flipCoin(Game game, ArrayList<UUID> appliedEffects) {
-        boolean result = rnd.nextBoolean();
+        boolean result = RandomUtil.nextBoolean();
         if (!game.isSimulation()) {
             game.informPlayers("[Flip a coin] " + getLogName() + (result ? " won (head)." : " lost (tail)."));
         }
diff --git a/Mage/src/main/java/mage/target/TargetImpl.java b/Mage/src/main/java/mage/target/TargetImpl.java
index 6a9a4113c5..f3452954eb 100644
--- a/Mage/src/main/java/mage/target/TargetImpl.java
+++ b/Mage/src/main/java/mage/target/TargetImpl.java
@@ -47,6 +47,7 @@ import mage.game.Game;
 import mage.game.events.GameEvent;
 import mage.game.events.GameEvent.EventType;
 import mage.players.Player;
+import mage.util.RandomUtil;
 
 /**
  *
@@ -322,7 +323,7 @@ public abstract class TargetImpl implements Target {
                 Set<UUID> possibleTargets = possibleTargets(source.getSourceId(), playerId, game);
                 if (possibleTargets.size() > 0) {
                     int i = 0;
-                    int rnd = new Random().nextInt(possibleTargets.size());
+                    int rnd = RandomUtil.nextInt(possibleTargets.size());
                     Iterator it = possibleTargets.iterator();
                     while (i < rnd) {
                         it.next();
diff --git a/Mage/src/main/java/mage/util/RandomUtil.java b/Mage/src/main/java/mage/util/RandomUtil.java
new file mode 100644
index 0000000000..2721d4e0e8
--- /dev/null
+++ b/Mage/src/main/java/mage/util/RandomUtil.java
@@ -0,0 +1,28 @@
+package mage.util;
+
+import java.util.Random;
+import java.util.concurrent.ThreadLocalRandom;
+
+/**
+ * Created by IGOUDT on 5-9-2016.
+ */
+public class RandomUtil {
+
+    private static ThreadLocalRandom random = ThreadLocalRandom.current();
+
+    public static Random getRandom(){
+        return random;
+    }
+
+    public static int nextInt(){
+        return random.nextInt();
+    }
+
+    public static int nextInt(int max){
+        return random.nextInt(max);
+    }
+
+    public static boolean nextBoolean() {
+        return random.nextBoolean();
+    }
+}
diff --git a/Mage/src/main/java/mage/util/TournamentUtil.java b/Mage/src/main/java/mage/util/TournamentUtil.java
index 5e5c825525..c4f8ab2d1e 100644
--- a/Mage/src/main/java/mage/util/TournamentUtil.java
+++ b/Mage/src/main/java/mage/util/TournamentUtil.java
@@ -61,10 +61,9 @@ public class TournamentUtil {
         if (landSetCodes.isEmpty()) {
             // if sets have no basic lands and also it has no parent or parent has no lands get last set with lands
             // select a set with basic lands by random
-            Random generator = new Random();
             List<ExpansionInfo> basicLandSets = ExpansionRepository.instance.getSetsWithBasicLandsByReleaseDate();
             if (basicLandSets.size() > 0) {
-                landSetCodes.add(basicLandSets.get(generator.nextInt(basicLandSets.size())).getCode());
+                landSetCodes.add(basicLandSets.get(RandomUtil.nextInt(basicLandSets.size())).getCode());
             }
         }
 
@@ -75,7 +74,6 @@ public class TournamentUtil {
     }
     
     public static List<Card> getLands(String landName, int number, Set<String> landSets) {
-        Random random = new Random();
         CardCriteria criteria = new CardCriteria();
         if (!landSets.isEmpty()) {
             criteria.setCodes(landSets.toArray(new String[landSets.size()]));
@@ -85,7 +83,7 @@ public class TournamentUtil {
         List<Card> cards = new ArrayList<>();
         if (!lands.isEmpty()) {
             for (int i = 0; i < number; i++) {
-                Card land = lands.get(random.nextInt(lands.size())).getCard();
+                Card land = lands.get(RandomUtil.nextInt(lands.size())).getCard();
                 cards.add(land);
             }            
         }