diff --git a/.gitattributes b/.gitattributes
index 9622f0fd26e..5f8b5c79288 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -3773,6 +3773,7 @@ res/cardsfolder/restless_bones.txt -text svneol=native#text/plain
 res/cardsfolder/restless_dead.txt -text svneol=native#text/plain
 res/cardsfolder/resurrection.txt -text svneol=native#text/plain
 res/cardsfolder/resuscitate.txt -text svneol=native#text/plain
+res/cardsfolder/retaliate.txt -text svneol=native#text/plain
 res/cardsfolder/retribution_of_the_meek.txt -text svneol=native#text/plain
 res/cardsfolder/return_to_battle.txt -text svneol=native#text/plain
 res/cardsfolder/reveillark.txt -text svneol=native#text/plain
diff --git a/res/cardsfolder/retaliate.txt b/res/cardsfolder/retaliate.txt
new file mode 100644
index 00000000000..49f4bdf8761
--- /dev/null
+++ b/res/cardsfolder/retaliate.txt
@@ -0,0 +1,9 @@
+Name:Retaliate
+ManaCost:2 W W
+Types:Instant
+Text:no text
+A:SP$DestroyAll | Cost$ 2 W W | ValidCards$ Creature.dealtDamageToYouThisTurn | SpellDescription$ Destroy all creatures that dealt damage to you this turn.
+SVar:RemAIDeck:True
+SVar:Rarity:Rare
+SVar:Picture:http://www.wizards.com/global/images/magic/general/retaliate.jpg
+End
\ No newline at end of file
diff --git a/src/forge/Card.java b/src/forge/Card.java
index 719eeed4a56..886fa0d5d52 100644
--- a/src/forge/Card.java
+++ b/src/forge/Card.java
@@ -58,7 +58,8 @@ public class Card extends MyObservable {
     private boolean                      creatureBlockedThisCombat         = false;
     private boolean                      creatureGotBlockedThisCombat      = false;
     //private boolean                    dealtCombatDmgToOppThisTurn       = false;
-    private boolean                      dealtDmgToOppThisTurn             = false;
+    private boolean                      dealtDmgToHumanThisTurn           = false;
+    private boolean                      dealtDmgToComputerThisTurn        = false;
     private boolean						 sirenAttackOrDestroy			   = false;
     private boolean                      exaltedBonus                      = false;
     private boolean                      faceDown                          = false;
@@ -271,12 +272,20 @@ public class Card extends MyObservable {
     	return false;
     }
     
-    public void setDealtDmgToOppThisTurn(boolean b) {
-        dealtDmgToOppThisTurn = b;
+    public void setDealtDmgToHumanThisTurn(boolean b) {
+        dealtDmgToHumanThisTurn = b;
     }
     
-    public boolean getDealtDmgToOppThisTurn() {
-        return dealtDmgToOppThisTurn;
+    public boolean getDealtDmgToHumanThisTurn() {
+        return dealtDmgToHumanThisTurn;
+    }
+    
+    public void setDealtDmgToComputerThisTurn(boolean b) {
+        dealtDmgToComputerThisTurn = b;
+    }
+    
+    public boolean getDealtDmgToComputerThisTurn() {
+        return dealtDmgToComputerThisTurn;
     }
     
     public void setSirenAttackOrDestroy(boolean b) {
@@ -2443,8 +2452,9 @@ public class Card extends MyObservable {
              	{ if(!isFaceDown()) return false;}
              else if (Property.startsWith("enteredBattlefieldThisTurn"))
              	{ if(!(getTurnInZone() == AllZone.Phase.getTurn())) return false;}
-             else if (Property.startsWith("dealtDamageToYouThisTurn"))
-          	{ if(!(dealtDmgToOppThisTurn && !getController().isPlayer(sourceController))) return false;}
+             else if (Property.startsWith("dealtDamageToYouThisTurn")){
+            	 if(!(dealtDmgToHumanThisTurn && getController().isPlayer(AllZone.ComputerPlayer))
+            			 && !(dealtDmgToComputerThisTurn && getController().isPlayer(AllZone.HumanPlayer))) return false;}
              
              else if (Property.startsWith("enchanted"))
              	{ if(!isEnchanted()) return false;}
@@ -2643,7 +2653,7 @@ public class Card extends MyObservable {
     //the amount of damage needed to kill the creature
     public int getKillDamage() {
     	int killDamage = getNetDefense() + preventNextDamage - getDamage();
-        if(killDamage > preventNextDamage && getKeyword().contains("When CARDNAME is dealt damage, destroy it.")) killDamage = 1 + preventNextDamage;
+        if(killDamage > preventNextDamage && hasStartOfKeyword("When CARDNAME is dealt damage, destroy it.")) killDamage = 1 + preventNextDamage;
         
         return killDamage;
     }
diff --git a/src/forge/CardFactory_Creatures.java b/src/forge/CardFactory_Creatures.java
index b052179c2fd..8302cb5ab2a 100644
--- a/src/forge/CardFactory_Creatures.java
+++ b/src/forge/CardFactory_Creatures.java
@@ -9866,18 +9866,6 @@ public class CardFactory_Creatures {
                                 Player opponent = player.getOpponent();
                                 
                                 opponent.addDamage(power, card);
-                                
-                                //unTODO: this may not be needed - definitely not needed (slapshot5)
-                                //GameActionUtil.executeLifeLinkEffects(card, power);
-                                /*
-                                CardList cl = CardFactoryUtil.getAurasEnchanting(card, "Guilty Conscience");
-                                for(Card crd:cl) {
-                                    GameActionUtil.executeGuiltyConscienceEffects(card, crd, power);
-                                }
-                                */
-                                
-                                //TODO - this may not bee needed (or may need to be added in player.addDamage
-                                card.setDealtDmgToOppThisTurn(true);
                             }
                         }
                     }
diff --git a/src/forge/GameActionUtil.java b/src/forge/GameActionUtil.java
index 15f3aee0aa9..efdc62a191e 100644
--- a/src/forge/GameActionUtil.java
+++ b/src/forge/GameActionUtil.java
@@ -3131,7 +3131,8 @@ public class GameActionUtil {
 		for(int i = 0; i < list.size(); i++) {
 			Card c = list.get(i);
 			//c.setDealtCombatDmgToOppThisTurn(false);
-			c.setDealtDmgToOppThisTurn(false);
+			c.setDealtDmgToHumanThisTurn(false);
+			c.setDealtDmgToComputerThisTurn(false);
 		}
 	}
 
@@ -5876,7 +5877,8 @@ public class GameActionUtil {
 			else if(c.getName().equals("Whirling Dervish") || c.getName().equals("Dunerider Outlaw")) 
 				playerCombatDamage_Whirling_Dervish(c);
 	    	
-	    	if (!c.getController().isPlayer(player)) c.setDealtDmgToOppThisTurn(true);
+	    	if (player.isPlayer(AllZone.HumanPlayer)) c.setDealtDmgToHumanThisTurn(true);
+	    	if (player.isPlayer(AllZone.ComputerPlayer)) c.setDealtDmgToComputerThisTurn(true);
     	}
     }
     //restricted to combat damage, restricted to players