1) added Regenerate as an AbilityFactory

2) converted Death Ward and Revered Dead as examples.

.gitattributes

@@ -5445,6 +5445,7 @@ src/forge/AbilityFactory_DealDamage.java -text svneol=native#text/plain
 src/forge/AbilityFactory_Fetch.java -text svneol=native#text/plain
 src/forge/AbilityFactory_PermanentState.java -text svneol=native#text/plain
 src/forge/AbilityFactory_Pump.java -text svneol=native#text/plain
+src/forge/AbilityFactory_Regenerate.java -text svneol=native#text/plain
 src/forge/Ability_Activated.java svneol=native#text/plain
 src/forge/Ability_Cost.java -text svneol=native#text/plain
 src/forge/Ability_Mana.java -text svneol=native#text/plain

res/cardsfolder/death_ward.txt

@@ -1,8 +1,8 @@
 Name:Death Ward
 ManaCost:W
 Types:Instant
-Text:Regenerate target creature.
-SVar:RemAIDeck:True
+Text:no text
+A:SP$Regenerate|Cost$W|Tgt$TgtC|SpellDescription$Regenerate target creature.
 SVar:Rarity:Common
 SVar:Picture:http://www.wizards.com/global/images/magic/general/death_ward.jpg
 End

res/cardsfolder/revered_dead.txt

@@ -3,7 +3,8 @@ ManaCost:1 W
 Types:Creature Spirit Soldier
 Text:no text
 PT:1/1
-K:RegenerateMe:W
+#K:RegenerateMe:W
+A:AB$Regenerate|Cost$W|SpellDescription$Regenerate CARDNAME.
 SVar:Rarity:Common
 SVar:Picture:http://resources.wizards.com/magic/cards/plc/en-us/card122282.jpg
 End

src/forge/AbilityFactory.java

@@ -247,6 +247,14 @@ public class AbilityFactory {
 			}
 		}
 		
+		if (API.equals("Regenerate")){
+			if (isAb)
+				SA = AbilityFactory_Regenerate.getAbility(this);
+			if (isSp){
+				SA = AbilityFactory_Regenerate.getSpell(this);
+			}
+		}
+		
 		// *********************************************
 		// set universal properties of the SpellAbility
         if (hasSpDesc)

src/forge/AbilityFactory_Regenerate.java

@@ -0,0 +1,148 @@
+package forge;
+
+import java.util.Random;
+
+public class AbilityFactory_Regenerate {
+	
+	// Ex: A:SP$Regenerate|Cost$W|Tgt$TgtC|SpellDescription$Regenerate target creature.
+
+	public static SpellAbility getAbility(final AbilityFactory af) {
+
+		final SpellAbility abRegenerate = new Ability_Activated(af.getHostCard(), af.getAbCost(), af.getAbTgt()) {
+			private static final long serialVersionUID = -6386981911243700037L;
+			
+			@Override
+			public boolean canPlay(){
+				return super.canPlay();
+			}
+
+			@Override
+			public boolean canPlayAI() {
+				return doCanPlayAI(af, this);
+			}
+
+			@Override
+			public void resolve() {
+				doResolve(af, this);
+				af.getHostCard().setAbilityUsed(af.getHostCard().getAbilityUsed() + 1);
+			}
+		};//Ability_Activated
+
+		return abRegenerate;
+	}
+
+	public static SpellAbility getSpell(final AbilityFactory af){
+
+		final SpellAbility spRegenerate = new Spell(af.getHostCard(), af.getAbCost(), af.getAbTgt()) {
+			private static final long serialVersionUID = -3899905398102316582L;
+			
+			@Override
+			public boolean canPlay(){
+				return super.canPlay();
+			}
+
+			@Override
+			public boolean canPlayAI() {
+				return doCanPlayAI(af, this);
+			}
+
+			@Override
+			public void resolve() {
+				doResolve(af, this);
+			}
+		}; // Spell
+
+		return spRegenerate;
+	}
+
+	private static boolean doCanPlayAI(final AbilityFactory af, final SpellAbility sa) {
+		// temporarily disabled until better AI
+		if (af.getAbCost().getSacCost())	 return false;
+		if (af.getAbCost().getSubCounter())  return false;
+		if (af.getAbCost().getLifeCost())	 return false;
+
+		if (!ComputerUtil.canPayCost(sa))
+			return false;
+
+		//TODO perhaps we could see if there is a spell on the stack that opponent
+		//controls targeting a regeneratable creature, and return a higher
+		//chance of true
+
+		if(CardFactoryUtil.AI_isMainPhase()) {
+			CardList play = AllZoneUtil.getCreaturesInPlay(AllZone.ComputerPlayer);
+			for(Card card:play) {
+				if(CardFactoryUtil.AI_doesCreatureAttack(card)) {
+					//"Fuzzy logic" to determine if using a regenerate ability might be helpful because
+					//we can't wait to decide to play this ability during combat, like the human can
+					//weight[] is a set of probability percentages to be averaged later
+					int weight[] = new int[3];
+
+					// cards with real keywords (flying, trample, etc) are probably more desireable
+					if(card.getKeyword().size() > 0) weight[0] = 75;
+					else weight[0] = 0;
+
+					// if there are many cards in hand, then maybe it's not such a great idea to waste mana
+					CardList HandList = new CardList(AllZone.getZone(Constant.Zone.Hand,
+							AllZone.ComputerPlayer).getCards());
+
+					if(HandList.size() >= 4) weight[1] = 25;
+					else weight[1] = 75;
+
+					// compare the highest converted mana cost of cards in hand to the number of lands
+					// if there's spare mana, then regeneration might be viable
+					int hCMC = 0;
+					for(int i = 0; i < HandList.size(); i++)
+						if(CardUtil.getConvertedManaCost(HandList.getCard(i).getManaCost()) > hCMC) hCMC = CardUtil.getConvertedManaCost(HandList.getCard(
+								i).getManaCost());
+
+					CardList LandList = new CardList(AllZone.getZone(Constant.Zone.Play,
+							AllZone.ComputerPlayer).getCards());
+					LandList = LandList.getType("Land");
+
+					//most regenerate abilities cost 2 or less
+					if(hCMC + 2 >= LandList.size()) weight[2] = 50;
+					else weight[2] = 0;
+
+					// ultimately, it's random fate that dictates if this was the right play
+					int aw = (weight[0] + weight[1] + weight[2]) / 3;
+					Random r = new Random();
+					if(r.nextInt(100) <= aw) {
+						if(af.isTargeted()) sa.setTargetCard(card);
+						return true;
+					}
+				}
+			}
+		}
+		return false;
+	}
+
+	private static void doResolve(final AbilityFactory af, final SpellAbility sa) {
+		Card hostCard = af.getHostCard();
+		
+		Card tgtCard = sa.getTargetCard();
+		final Card[] c = new Card[1];
+        if (af.isTargeted()) {
+        	if (!CardFactoryUtil.canTarget(hostCard, tgtCard))
+        		return;
+        	else
+        		c[0] = tgtCard;
+        }
+        else {
+        	c[0] = hostCard;
+        }
+
+		final Command untilEOT = new Command() {
+			private static final long serialVersionUID = 1922050611313909200L;
+
+			public void execute() {
+				c[0].setShield(0);
+
+			}
+		};
+
+		if(AllZone.GameAction.isCardInPlay(c[0]) && CardFactoryUtil.canTarget(af.getHostCard(), c[0])) {
+			c[0].addShield();
+			AllZone.EndOfTurn.addUntil(untilEOT);
+		}
+	}//doResolve
+}

src/forge/CardFactory_Instants.java

@@ -41,7 +41,7 @@ public class CardFactory_Instants {
         }//*************** END ************ END **************************
 
         //*************** START ********** START *************************
-        else if(cardName.equals("Regenerate") || cardName.equals("Death Ward"))
+        else if(cardName.equals("Regenerate") /*|| cardName.equals("Death Ward")*/)
           {
           	card.clearSpellAbility();
           	final Card[] tgt = new Card[1];