* Some minor changes.

Mage.Sets/src/mage/sets/conflux/QuenchableFire.java

@@ -56,7 +56,9 @@ public class QuenchableFire extends CardImpl {
     public QuenchableFire(UUID ownerId) {
         super(ownerId, 70, "Quenchable Fire", Rarity.COMMON, new CardType[]{CardType.SORCERY}, "{3}{R}");
         this.expansionSetCode = "CON";
-        this.color.setRed(true);
+
+        // Quenchable Fire deals 3 damage to target player.
+        // It deals an additional 3 damage to that player at the beginning of your next upkeep step unless he or she pays {U} before that step.
         this.getSpellAbility().addTarget(new TargetPlayer());
         this.getSpellAbility().addEffect(new DamageTargetEffect(3));
         this.getSpellAbility().addEffect(new QuenchableFireEffect());
@@ -97,6 +99,7 @@ class QuenchableFireEffect extends OneShotEffect {
         delayedAbility.setSourceObject(source.getSourceObject(game));
         delayedAbility.getTargets().addAll(source.getTargets());
         game.addDelayedTriggeredAbility(delayedAbility);
+
         //create special action
         QuenchableFireSpecialAction newAction = new QuenchableFireSpecialAction(delayedAbility.getId());
         delayedAbility.setSpecialActionId(newAction.getId());
@@ -149,6 +152,7 @@ class QuenchableFireDelayedTriggeredAbility extends DelayedTriggeredAbility {
 class QuenchableFireSpecialAction extends SpecialAction {
 
     public QuenchableFireSpecialAction(UUID effectId) {
+        super();
         this.addCost(new ManaCostsImpl("{U}"));
         this.addEffect(new RemoveDelayedTriggeredAbilityEffect(effectId));
         this.addEffect(new RemoveSpecialActionEffect(this.getId()));

Mage.Sets/src/mage/sets/jacevsvraska/OhranViper.java

@@ -34,6 +34,7 @@ import mage.abilities.common.DealsCombatDamageToACreatureTriggeredAbility;
 import mage.abilities.common.DealsCombatDamageToAPlayerTriggeredAbility;
 import mage.abilities.common.delayed.AtTheEndOfCombatDelayedTriggeredAbility;
 import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.CreateDelayedTriggeredAbilityEffect;
 import mage.abilities.effects.common.DestroyTargetEffect;
 import mage.abilities.effects.common.DrawCardSourceControllerEffect;
 import mage.cards.CardImpl;
@@ -56,12 +57,16 @@ public class OhranViper extends CardImpl {
         this.supertype.add("Snow");
         this.subtype.add("Snake");
 
-        this.color.setGreen(true);
         this.power = new MageInt(1);
         this.toughness = new MageInt(3);
 
         // Whenever Ohran Viper deals combat damage to a creature, destroy that creature at end of combat.
-        this.addAbility(new DealsCombatDamageToACreatureTriggeredAbility(new OhranViperDestroyEffect(), false, true));
+        this.addAbility(new DealsCombatDamageToACreatureTriggeredAbility(
+                new CreateDelayedTriggeredAbilityEffect(
+                        new AtTheEndOfCombatDelayedTriggeredAbility(new DestroyTargetEffect("destroy that creature at end of combat")), true),
+                false, 
+                true));
+
         // Whenever Ohran Viper deals combat damage to a player, you may draw a card.
         this.addAbility(new DealsCombatDamageToAPlayerTriggeredAbility(new DrawCardSourceControllerEffect(1), true));
     }
@@ -75,35 +80,3 @@ public class OhranViper extends CardImpl {
         return new OhranViper(this);
     }
 }
-
-class OhranViperDestroyEffect extends OneShotEffect {
-
-    OhranViperDestroyEffect() {
-        super(Outcome.DestroyPermanent);
-        staticText = "destroy that creature at end of combat";
-    }
-
-    OhranViperDestroyEffect(final OhranViperDestroyEffect effect) {
-        super(effect);
-    }
-
-    @Override
-    public boolean apply(Game game, Ability source) {
-        Permanent targetCreature = game.getPermanent(this.getTargetPointer().getFirst(game, source));
-        if (targetCreature != null) {
-            AtTheEndOfCombatDelayedTriggeredAbility delayedAbility = new AtTheEndOfCombatDelayedTriggeredAbility(new DestroyTargetEffect());
-            delayedAbility.setSourceId(source.getSourceId());
-            delayedAbility.setControllerId(source.getControllerId());
-            delayedAbility.setSourceObject(source.getSourceObject(game));
-            delayedAbility.getEffects().get(0).setTargetPointer(new FixedTarget(targetCreature.getId()));
-            game.addDelayedTriggeredAbility(delayedAbility);
-            return true;
-        }
-        return false;
-    }
-
-    @Override
-    public OhranViperDestroyEffect copy() {
-        return new OhranViperDestroyEffect(this);
-    }
-}

Mage.Sets/src/mage/sets/mirrodinbesieged/ContestedWarZone.java

@@ -28,6 +28,7 @@
 package mage.sets.mirrodinbesieged;
 
 import java.util.UUID;
+import mage.Mana;
 
 import mage.constants.CardType;
 import mage.constants.Duration;
@@ -45,6 +46,7 @@ import mage.abilities.costs.mana.ManaCostsImpl;
 import mage.abilities.effects.ContinuousEffectImpl;
 import mage.abilities.effects.common.continious.BoostAllEffect;
 import mage.abilities.mana.ColorlessManaAbility;
+import mage.abilities.mana.SimpleManaAbility;
 import mage.cards.CardImpl;
 import mage.filter.common.FilterAttackingCreature;
 import mage.game.Game;
@@ -102,13 +104,18 @@ class ContestedWarZoneAbility extends TriggeredAbilityImpl {
         return new ContestedWarZoneAbility(this);
     }
 
+    @Override
+    public boolean checkEventType(GameEvent event, Game game) {
+        return event.getType() == GameEvent.EventType.DAMAGED_PLAYER;
+    }
+
     @Override
     public boolean checkTrigger(GameEvent event, Game game) {
-        if (event instanceof DamagedPlayerEvent) {
         DamagedPlayerEvent damageEvent = (DamagedPlayerEvent)event;
-            Permanent p = game.getPermanent(event.getSourceId());
+        if (damageEvent.isCombatDamage()) {
-            if (damageEvent.getPlayerId().equals(controllerId) && damageEvent.isCombatDamage() && p != null && p.getCardType().contains(CardType.CREATURE)) {
+            Permanent permanent = game.getPermanent(event.getSourceId());
-                game.getState().setValue(sourceId.toString(), p.getControllerId());
+            if (damageEvent.getPlayerId().equals(getControllerId()) && permanent != null && permanent.getCardType().contains(CardType.CREATURE)) {
+                game.getState().setValue(getSourceId().toString(), permanent.getControllerId());
                 return true;
             }
         }

Mage.Sets/src/mage/sets/scarsofmirrodin/LeoninArbiter.java

@@ -27,16 +27,25 @@
  */
 package mage.sets.scarsofmirrodin;
 
-import java.util.*;
+import java.util.AbstractMap;
-
+import java.util.HashSet;
-import mage.abilities.SpecialAction;
+import java.util.Map;
-import mage.abilities.common.SimpleStaticAbility;
+import java.util.Set;
-import mage.abilities.effects.*;
+import java.util.UUID;
-import mage.constants.*;
 import mage.MageInt;
 import mage.abilities.Ability;
+import mage.abilities.SpecialAction;
+import mage.abilities.common.SimpleStaticAbility;
 import mage.abilities.costs.mana.ManaCostsImpl;
+import mage.abilities.effects.ContinuousRuleModifiyingEffectImpl;
+import mage.abilities.effects.OneShotEffect;
 import mage.cards.CardImpl;
+import mage.constants.CardType;
+import mage.constants.Duration;
+import mage.constants.Outcome;
+import mage.constants.Rarity;
+import mage.constants.TargetController;
+import mage.constants.Zone;
 import mage.game.Game;
 import mage.game.events.GameEvent;
 import mage.game.events.GameEvent.EventType;
@@ -62,6 +71,7 @@ public class LeoninArbiter extends CardImpl {
 
         // Players can't search libraries.
         this.addAbility(new SimpleStaticAbility(Zone.BATTLEFIELD, new LeoninArbiterCantSearchEffect(keyString)));
+
         //  Any player may pay {2} for that player to ignore this effect until end of turn.
         this.addAbility(new LeoninArbiterSpecialAction(keyString));
     }

Mage/src/mage/abilities/common/delayed/AtTheEndOfCombatDelayedTriggeredAbility.java

@@ -31,6 +31,10 @@ public class AtTheEndOfCombatDelayedTriggeredAbility extends DelayedTriggeredAbi
 
     @Override
     public String getRule() {
-        return "At end of combat, " + modes.getText();
+        String ruleText = modes.getText();
+        if (ruleText.contains("at end of combat")) {
+            return ruleText;
+        }
+        return "At end of combat, " + ruleText;
     }
 }

Mage/src/mage/abilities/costs/common/ExileFromGraveCost.java

@@ -28,6 +28,8 @@
 
 package mage.abilities.costs.common;
 
+import java.util.ArrayList;
+import java.util.List;
 import java.util.UUID;
 import mage.abilities.Ability;
 import mage.abilities.costs.CostImpl;
@@ -46,10 +48,16 @@ import mage.util.CardUtil;
  */
 public class ExileFromGraveCost extends CostImpl {
 
+    private final List<Card> exiledCards = new ArrayList<>();
+
     public ExileFromGraveCost(TargetCardInYourGraveyard target) {
         this.addTarget(target);
         if (target.getMaxNumberOfTargets() > 1) {
-            this.text = "Exile " + CardUtil.numberToText(target.getMaxNumberOfTargets()) + " " + target.getTargetName();
+            this.text = "Exile " + 
+                    (target.getNumberOfTargets() < target.getMaxNumberOfTargets() ? "up to ":"") +
+                    CardUtil.numberToText(target.getMaxNumberOfTargets()) +
+                    " " +
+                    target.getTargetName();
         }
         else {
             this.text = "Exile " + target.getTargetName();
@@ -72,6 +80,7 @@ public class ExileFromGraveCost extends CostImpl {
 
     public ExileFromGraveCost(final ExileFromGraveCost cost) {
         super(cost);
+        this.exiledCards.addAll(cost.getExiledCards());
     }
 
     @Override
@@ -84,6 +93,7 @@ public class ExileFromGraveCost extends CostImpl {
                     if (card == null || !game.getState().getZone(targetId).equals(Zone.GRAVEYARD)) {
                         return false;
                     }
+                    exiledCards.add(card);
                     paid |= controller.moveCardToExileWithInfo(card, null, null, sourceId, game, Zone.GRAVEYARD);
                 }
             }
@@ -102,4 +112,7 @@ public class ExileFromGraveCost extends CostImpl {
         return new ExileFromGraveCost(this);
     }
 
+    public List<Card> getExiledCards() {
+        return exiledCards;
+    }
 }

Mage/src/mage/abilities/effects/common/CreateDelayedTriggeredAbilityEffect.java

@@ -72,11 +72,17 @@ public class CreateDelayedTriggeredAbilityEffect extends OneShotEffect {
         delayedAbility.setControllerId(source.getControllerId());
         delayedAbility.setSourceObject(source.getSourceObject(game));
         if (this.copyTargets) {
+            if (source.getTargets().isEmpty()) {
+                for(Effect effect : delayedAbility.getEffects()) {
+                    effect.setTargetPointer(targetPointer);
+                }
+            } else {
                 delayedAbility.getTargets().addAll(source.getTargets());
                 for(Effect effect : delayedAbility.getEffects()) {
                     effect.getTargetPointer().init(game, source);
                 }
             }
+        }
         game.addDelayedTriggeredAbility(delayedAbility);
         return true;
     }

Mage/src/mage/util/ManaUtil.java

@@ -85,7 +85,7 @@ public class ManaUtil {
             chosenManaAbility = chosenManaAbilityForHybrid != null ? chosenManaAbilityForHybrid : chosenManaAbility;
         }
 
-        if (countColored.size() == 0) { // seems there is no colorful mana we can pay for
+        if (countColored.isEmpty()) { // seems there is no colorful mana we can pay for
             // try to pay {1}
             if (unpaidMana.getColorless() > 0) {
                 // use any (lets choose first)