diff --git a/Mage.Sets/src/mage/cards/f/FungalSprouting.java b/Mage.Sets/src/mage/cards/f/FungalSprouting.java
index 1af33b76e7..20341ff267 100644
--- a/Mage.Sets/src/mage/cards/f/FungalSprouting.java
+++ b/Mage.Sets/src/mage/cards/f/FungalSprouting.java
@@ -30,20 +30,11 @@ package mage.cards.f;
 import java.util.UUID;
 
 import mage.constants.CardType;
-import mage.abilities.Ability;
-import mage.abilities.effects.OneShotEffect;
+import mage.abilities.dynamicvalue.common.GreatestPowerAmongControlledCreaturesValue;
+import mage.abilities.effects.common.CreateTokenEffect;
 import mage.cards.CardImpl;
 import mage.cards.CardSetInfo;
-import mage.constants.Outcome;
-import mage.constants.TargetController;
-import mage.filter.FilterPermanent;
-import mage.filter.common.FilterControlledCreaturePermanent;
-import mage.filter.predicate.mageobject.CardTypePredicate;
-import mage.filter.predicate.permanent.ControllerPredicate;
-import mage.game.Game;
-import mage.game.permanent.Permanent;
 import mage.game.permanent.token.SaprolingToken;
-import mage.players.Player;
 
 /**
  *
@@ -52,11 +43,10 @@ import mage.players.Player;
 public class FungalSprouting extends CardImpl {
 
     public FungalSprouting(UUID ownerId, CardSetInfo setInfo) {
-        super(ownerId,setInfo,new CardType[]{CardType.SORCERY},"{3}{G}");
-
+        super(ownerId, setInfo, new CardType[]{CardType.SORCERY}, "{3}{G}");
 
         // create X 1/1 green Saproling creature tokens, where X is the greatest power among creatures you control.
-        this.getSpellAbility().addEffect(new FungalSproutingEffect());
+        this.getSpellAbility().addEffect(new CreateTokenEffect(new SaprolingToken(), new GreatestPowerAmongControlledCreaturesValue()));
     }
 
     public FungalSprouting(final FungalSprouting card) {
@@ -68,43 +58,3 @@ public class FungalSprouting extends CardImpl {
         return new FungalSprouting(this);
     }
 }
-
-class FungalSproutingEffect extends OneShotEffect {
-    
-    private static final FilterPermanent filter = new FilterPermanent();
-    
-    static {
-        filter.add(new CardTypePredicate(CardType.CREATURE));
-        filter.add(new ControllerPredicate(TargetController.YOU));
-    }
-
-    public FungalSproutingEffect() {
-        super(Outcome.PutCreatureInPlay);
-        this.staticText = "create X 1/1 green Saproling creature tokens, where X is the greatest power among creatures you control";
-    }
-
-    public FungalSproutingEffect(final FungalSproutingEffect effect) {
-        super(effect);
-    }
-
-    @Override
-    public FungalSproutingEffect copy() {
-        return new FungalSproutingEffect(this);
-    }
-
-    @Override
-    public boolean apply(Game game, Ability source) {
-        Player player = game.getPlayer(source.getControllerId());
-        if (player != null) {
-            int amount = 0;
-            for (Permanent p : game.getBattlefield().getActivePermanents(new FilterControlledCreaturePermanent(), source.getControllerId(), game)) {
-                if (p.getPower().getValue() > amount)
-                    amount = p.getPower().getValue();
-            }
-            SaprolingToken token = new SaprolingToken();
-            token.putOntoBattlefield(amount, game, source.getSourceId(), source.getControllerId());
-            return true;
-        }
-        return false;
-    }
-}
diff --git a/Mage.Sets/src/mage/cards/m/MonstrousOnslaught.java b/Mage.Sets/src/mage/cards/m/MonstrousOnslaught.java
new file mode 100644
index 0000000000..71c1332ec0
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/m/MonstrousOnslaught.java
@@ -0,0 +1,65 @@
+/*
+ *  Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
+ *
+ *  Redistribution and use in source and binary forms, with or without modification, are
+ *  permitted provided that the following conditions are met:
+ *
+ *     1. Redistributions of source code must retain the above copyright notice, this list of
+ *        conditions and the following disclaimer.
+ *
+ *     2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *        of conditions and the following disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ *  THIS SOFTWARE IS PROVIDED BY BetaSteward_at_googlemail.com ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ *  FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BetaSteward_at_googlemail.com OR
+ *  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ *  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  The views and conclusions contained in the software and documentation are those of the
+ *  authors and should not be interpreted as representing official policies, either expressed
+ *  or implied, of BetaSteward_at_googlemail.com.
+ */
+package mage.cards.m;
+
+import java.util.UUID;
+import mage.abilities.dynamicvalue.DynamicValue;
+import mage.abilities.dynamicvalue.common.GreatestPowerAmongControlledCreaturesValue;
+import mage.abilities.effects.Effect;
+import mage.abilities.effects.common.DamageMultiEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.target.common.TargetCreaturePermanentAmount;
+
+/**
+ *
+ * @author Styxo
+ */
+public class MonstrousOnslaught extends CardImpl {
+
+    public MonstrousOnslaught(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.SORCERY}, "{3}{G}{G}");
+
+        // Monstrous Onslaught deals X damage divided as you choose among any number of target creatures, where X is the greater power among creatures you control as you cast Monstrous Onslaught.
+        DynamicValue xValue = new GreatestPowerAmongControlledCreaturesValue();
+        Effect effect = new DamageMultiEffect(xValue);
+        effect.setText("{this} deals X damage divided as you choose among any number of target creatures, where X is the greatest amount of damage dealt by a source to a permanent or player this turn");
+        this.getSpellAbility().addEffect(effect);
+        this.getSpellAbility().addTarget(new TargetCreaturePermanentAmount(xValue));
+    }
+
+    public MonstrousOnslaught(final MonstrousOnslaught card) {
+        super(card);
+    }
+
+    @Override
+    public MonstrousOnslaught copy() {
+        return new MonstrousOnslaught(this);
+    }
+}
diff --git a/Mage.Sets/src/mage/cards/p/PeemaAetherSeer.java b/Mage.Sets/src/mage/cards/p/PeemaAetherSeer.java
index 8639697751..14e4df70a4 100644
--- a/Mage.Sets/src/mage/cards/p/PeemaAetherSeer.java
+++ b/Mage.Sets/src/mage/cards/p/PeemaAetherSeer.java
@@ -33,19 +33,15 @@ import mage.abilities.Ability;
 import mage.abilities.common.EntersBattlefieldTriggeredAbility;
 import mage.abilities.common.SimpleActivatedAbility;
 import mage.abilities.costs.common.PayEnergyCost;
-import mage.abilities.effects.OneShotEffect;
+import mage.abilities.dynamicvalue.common.GreatestPowerAmongControlledCreaturesValue;
+import mage.abilities.effects.Effect;
 import mage.abilities.effects.common.combat.BlocksIfAbleTargetEffect;
 import mage.abilities.effects.common.counter.GetEnergyCountersControllerEffect;
 import mage.cards.CardImpl;
 import mage.cards.CardSetInfo;
 import mage.constants.CardType;
 import mage.constants.Duration;
-import mage.constants.Outcome;
 import mage.constants.Zone;
-import mage.filter.common.FilterControlledCreaturePermanent;
-import mage.game.Game;
-import mage.game.permanent.Permanent;
-import mage.players.Player;
 import mage.target.common.TargetCreaturePermanent;
 
 /**
@@ -63,7 +59,9 @@ public class PeemaAetherSeer extends CardImpl {
         this.toughness = new MageInt(2);
 
         // When Peema Aether-Seer enters the battlefield, you get an amount of {E} equal to the greatest power among creatures you control.
-        this.addAbility(new EntersBattlefieldTriggeredAbility(new PeemaAetherSeerEffect()));
+        Effect effect = new GetEnergyCountersControllerEffect(new GreatestPowerAmongControlledCreaturesValue());
+        effect.setText("you get an amount of {E} equal to the greatest power among creatures you control");
+        this.addAbility(new EntersBattlefieldTriggeredAbility(effect));
 
         // Pay {E}{E}{E}: Target creature blocks this turn if able.
         Ability ability = new SimpleActivatedAbility(Zone.BATTLEFIELD, new BlocksIfAbleTargetEffect(Duration.EndOfTurn), new PayEnergyCost(3));
@@ -80,39 +78,3 @@ public class PeemaAetherSeer extends CardImpl {
         return new PeemaAetherSeer(this);
     }
 }
-
-class PeemaAetherSeerEffect extends OneShotEffect {
-
-    PeemaAetherSeerEffect() {
-        super(Outcome.DrawCard);
-        staticText = "you get an amount of {E} equal to the greatest power among creatures you control";
-    }
-
-    PeemaAetherSeerEffect(final PeemaAetherSeerEffect effect) {
-        super(effect);
-    }
-
-    @Override
-    public boolean apply(Game game, Ability source) {
-        Player player = game.getPlayer(source.getControllerId());
-        if (player != null) {
-            int amount = 0;
-            for (Permanent p : game.getBattlefield().getActivePermanents(new FilterControlledCreaturePermanent(), source.getControllerId(), game)) {
-                if (p.getPower().getValue() > amount) {
-                    amount = p.getPower().getValue();
-                }
-            }
-            if (amount > 0) {
-                new GetEnergyCountersControllerEffect(amount).apply(game, source);
-            }
-            return true;
-        }
-        return false;
-    }
-
-    @Override
-    public PeemaAetherSeerEffect copy() {
-        return new PeemaAetherSeerEffect(this);
-    }
-
-}
diff --git a/Mage.Sets/src/mage/cards/r/RishkarsExpertise.java b/Mage.Sets/src/mage/cards/r/RishkarsExpertise.java
index d9812470b3..2205169087 100644
--- a/Mage.Sets/src/mage/cards/r/RishkarsExpertise.java
+++ b/Mage.Sets/src/mage/cards/r/RishkarsExpertise.java
@@ -25,22 +25,17 @@
  *  authors and should not be interpreted as representing official policies, either expressed
  *  or implied, of BetaSteward_at_googlemail.com.
  */
-
 package mage.cards.r;
 
-import mage.abilities.Ability;
-import mage.abilities.effects.OneShotEffect;
 import mage.abilities.effects.common.cost.CastWithoutPayingManaCostEffect;
 import mage.cards.CardImpl;
 import mage.cards.CardSetInfo;
 import mage.constants.CardType;
-import mage.constants.Outcome;
-import mage.filter.common.FilterControlledCreaturePermanent;
-import mage.game.Game;
-import mage.game.permanent.Permanent;
-import mage.players.Player;
 
 import java.util.UUID;
+import mage.abilities.dynamicvalue.common.GreatestPowerAmongControlledCreaturesValue;
+import mage.abilities.effects.Effect;
+import mage.abilities.effects.common.DrawCardSourceControllerEffect;
 
 /**
  * @author fireshoes
@@ -50,9 +45,10 @@ public class RishkarsExpertise extends CardImpl {
     public RishkarsExpertise(UUID ownerId, CardSetInfo setInfo) {
         super(ownerId, setInfo, new CardType[]{CardType.SORCERY}, "{4}{G}{G}");
 
-
         // Draw cards equal to the greatest power among creatures you control.
-        this.getSpellAbility().addEffect(new RishkarsExpertiseDrawEffect());
+        Effect effect = new DrawCardSourceControllerEffect(new GreatestPowerAmongControlledCreaturesValue());
+        effect.setText("Draw cards equal to the greatest power among creatures you control");
+        this.getSpellAbility().addEffect(effect);
 
         // You may cast a card with converted mana cost 5 or less from your hand without paying its mana cost.
         this.getSpellAbility().addEffect(new CastWithoutPayingManaCostEffect(5));
@@ -67,37 +63,3 @@ public class RishkarsExpertise extends CardImpl {
         return new RishkarsExpertise(this);
     }
 }
-
-class RishkarsExpertiseDrawEffect extends OneShotEffect {
-
-    RishkarsExpertiseDrawEffect() {
-        super(Outcome.DrawCard);
-        staticText = "Draw cards equal to the greatest power among creatures you control";
-    }
-
-    RishkarsExpertiseDrawEffect(final RishkarsExpertiseDrawEffect effect) {
-        super(effect);
-    }
-
-    @Override
-    public boolean apply(Game game, Ability source) {
-        Player player = game.getPlayer(source.getControllerId());
-        if (player != null) {
-            int amount = 0;
-            for (Permanent p : game.getBattlefield().getActivePermanents(new FilterControlledCreaturePermanent(), source.getControllerId(), game)) {
-                if (p.getPower().getValue() > amount) {
-                    amount = p.getPower().getValue();
-                }
-            }
-            player.drawCards(amount, game);
-            return true;
-        }
-        return false;
-    }
-
-    @Override
-    public RishkarsExpertiseDrawEffect copy() {
-        return new RishkarsExpertiseDrawEffect(this);
-    }
-
-}
diff --git a/Mage.Sets/src/mage/cards/s/ScroungingBandar.java b/Mage.Sets/src/mage/cards/s/ScroungingBandar.java
new file mode 100644
index 0000000000..df0619ee13
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/s/ScroungingBandar.java
@@ -0,0 +1,127 @@
+/*
+ *  Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
+ *
+ *  Redistribution and use in source and binary forms, with or without modification, are
+ *  permitted provided that the following conditions are met:
+ *
+ *     1. Redistributions of source code must retain the above copyright notice, this list of
+ *        conditions and the following disclaimer.
+ *
+ *     2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *        of conditions and the following disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ *  THIS SOFTWARE IS PROVIDED BY BetaSteward_at_googlemail.com ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ *  FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BetaSteward_at_googlemail.com OR
+ *  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ *  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  The views and conclusions contained in the software and documentation are those of the
+ *  authors and should not be interpreted as representing official policies, either expressed
+ *  or implied, of BetaSteward_at_googlemail.com.
+ */
+package mage.cards.s;
+
+import java.util.UUID;
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.common.BeginningOfUpkeepTriggeredAbility;
+import mage.abilities.common.EntersBattlefieldAbility;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.counter.AddCountersSourceEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Outcome;
+import mage.constants.TargetController;
+import mage.constants.Zone;
+import mage.counters.CounterType;
+import mage.filter.common.FilterCreaturePermanent;
+import mage.filter.predicate.permanent.AnotherPredicate;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+import mage.players.Player;
+import mage.target.common.TargetCreaturePermanent;
+
+/**
+ *
+ * @author Styxo
+ */
+public class ScroungingBandar extends CardImpl {
+
+    private static final FilterCreaturePermanent filter = new FilterCreaturePermanent("another target creature");
+
+    static {
+        filter.add(new AnotherPredicate());
+    }
+
+    public ScroungingBandar(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{1}{G}");
+
+        this.subtype.add("Cat");
+        this.subtype.add("Monkey");
+        this.power = new MageInt(0);
+        this.toughness = new MageInt(0);
+
+        // Scrounging Bandar enters the battlefield with two +1/+1 counters on it.
+        this.addAbility(new EntersBattlefieldAbility(new AddCountersSourceEffect(CounterType.P1P1.createInstance(2)), "with two +1/+1 counters on it"));
+
+        // At the beginning of you upkeep, you may move any number of +1/+1 counters from Scrounging Bandar onto another target creature.
+        Ability ability = new BeginningOfUpkeepTriggeredAbility(Zone.BATTLEFIELD, new ScroungingBandarEffect(), TargetController.YOU, true);
+        ability.addTarget(new TargetCreaturePermanent(filter));
+        this.addAbility(ability);
+    }
+
+    public ScroungingBandar(final ScroungingBandar card) {
+        super(card);
+    }
+
+    @Override
+    public ScroungingBandar copy() {
+        return new ScroungingBandar(this);
+    }
+}
+
+class ScroungingBandarEffect extends OneShotEffect {
+
+    public ScroungingBandarEffect() {
+        super(Outcome.Detriment);
+        this.staticText = "move any number of +1/+1 counters from Scrounging Bandar onto another target creature";
+    }
+
+    public ScroungingBandarEffect(final ScroungingBandarEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public ScroungingBandarEffect copy() {
+        return new ScroungingBandarEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player controller = game.getPlayer(source.getControllerId());
+        if (controller != null) {
+            Permanent fromPermanent = game.getPermanent(source.getSourceId());
+            Permanent toPermanent = game.getPermanent(source.getTargets().getFirstTarget());
+
+            if (fromPermanent != null && toPermanent != null) {
+                int amountCounters = fromPermanent.getCounters(game).getCount(CounterType.P1P1);
+                if (amountCounters > 0) {
+                    int amountToMove = controller.getAmount(0, amountCounters, "How many counters do you want to move?", game);
+                    if (amountToMove > 0) {
+                        fromPermanent.removeCounters(CounterType.P1P1.createInstance(amountToMove), game);
+                        toPermanent.addCounters(CounterType.P1P1.createInstance(amountToMove), source, game);
+                    }
+                }
+                return true;
+            }
+        }
+        return false;
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/AetherRevolt.java b/Mage.Sets/src/mage/sets/AetherRevolt.java
index f7e0879597..609af52147 100644
--- a/Mage.Sets/src/mage/sets/AetherRevolt.java
+++ b/Mage.Sets/src/mage/sets/AetherRevolt.java
@@ -140,6 +140,7 @@ public class AetherRevolt extends ExpansionSet {
         cards.add(new SetCardInfo("Maverick Thopterist", 130, Rarity.UNCOMMON, mage.cards.m.MaverickThopterist.class));
         cards.add(new SetCardInfo("Metallic Rebuke", 39, Rarity.COMMON, mage.cards.m.MetallicRebuke.class));
         cards.add(new SetCardInfo("Midnight Entourage", 66, Rarity.RARE, mage.cards.m.MidnightEntourage.class));
+        cards.add(new SetCardInfo("Monstrous Onslaught", 116, Rarity.UNCOMMON, mage.cards.m.MonstrousOnslaught.class));
         cards.add(new SetCardInfo("Narnam Renegade", 117, Rarity.UNCOMMON, mage.cards.n.NarnamRenegade.class));
         cards.add(new SetCardInfo("Natural Obsolescence", 118, Rarity.COMMON, mage.cards.n.NaturalObsolescence.class));
         cards.add(new SetCardInfo("Negate", 40, Rarity.COMMON, mage.cards.n.Negate.class));
@@ -171,6 +172,7 @@ public class AetherRevolt extends ExpansionSet {
         cards.add(new SetCardInfo("Rishkar, Peema Renegade", 122, Rarity.RARE, mage.cards.r.RishkarPeemaRenegade.class));
         cards.add(new SetCardInfo("Rogue Refiner", 135, Rarity.UNCOMMON, mage.cards.r.RogueRefiner.class));
         cards.add(new SetCardInfo("Scrap Trawler", 175, Rarity.RARE, mage.cards.s.ScrapTrawler.class));
+        cards.add(new SetCardInfo("Scrounging Bandar", 124, Rarity.COMMON, mage.cards.s.ScroungingBandar.class));
         cards.add(new SetCardInfo("Shipwreck Moray", 45, Rarity.COMMON, mage.cards.s.ShipwreckMoray.class));
         cards.add(new SetCardInfo("Shock", 98, Rarity.COMMON, mage.cards.s.Shock.class));
         cards.add(new SetCardInfo("Siege Modification", 99, Rarity.UNCOMMON, mage.cards.s.SiegeModification.class));
diff --git a/Mage/src/main/java/mage/abilities/dynamicvalue/common/GreatestPowerAmongControlledCreaturesValue.java b/Mage/src/main/java/mage/abilities/dynamicvalue/common/GreatestPowerAmongControlledCreaturesValue.java
new file mode 100644
index 0000000000..613bab5902
--- /dev/null
+++ b/Mage/src/main/java/mage/abilities/dynamicvalue/common/GreatestPowerAmongControlledCreaturesValue.java
@@ -0,0 +1,74 @@
+/*
+ *  Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
+ *
+ *  Redistribution and use in source and binary forms, with or without modification, are
+ *  permitted provided that the following conditions are met:
+ *
+ *     1. Redistributions of source code must retain the above copyright notice, this list of
+ *        conditions and the following disclaimer.
+ *
+ *     2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *        of conditions and the following disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ *  THIS SOFTWARE IS PROVIDED BY BetaSteward_at_googlemail.com ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ *  FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BetaSteward_at_googlemail.com OR
+ *  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ *  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  The views and conclusions contained in the software and documentation are those of the
+ *  authors and should not be interpreted as representing official policies, either expressed
+ *  or implied, of BetaSteward_at_googlemail.com.
+ */
+package mage.abilities.dynamicvalue.common;
+
+import mage.abilities.Ability;
+import mage.abilities.dynamicvalue.DynamicValue;
+import mage.abilities.effects.Effect;
+import mage.filter.common.FilterControlledCreaturePermanent;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+import mage.players.Player;
+
+/**
+ *
+ * @author Styxo
+ */
+public class GreatestPowerAmongControlledCreaturesValue implements DynamicValue {
+
+    @Override
+    public int calculate(Game game, Ability sourceAbility, Effect effect) {
+        Player player = game.getPlayer(sourceAbility.getControllerId());
+        if (player != null) {
+            int amount = 0;
+            for (Permanent p : game.getBattlefield().getActivePermanents(new FilterControlledCreaturePermanent(), sourceAbility.getControllerId(), game)) {
+                if (p.getPower().getValue() > amount) {
+                    amount = p.getPower().getValue();
+                }
+            }
+            return amount;
+        }
+        return 0;
+    }
+
+    @Override
+    public GreatestPowerAmongControlledCreaturesValue copy() {
+        return new GreatestPowerAmongControlledCreaturesValue();
+    }
+
+    @Override
+    public String getMessage() {
+        return "the greatest power among creatures you control";
+    }
+
+    @Override
+    public String toString() {
+        return "X";
+    }
+
+}