- Implemented AI for Crater's Claws

forge-ai/src/main/java/forge/ai/ability/DamageDealAi.java

@@ -51,11 +51,15 @@ public class DamageDealAi extends DamageAiBase {
         final String damage = sa.getParam("NumDmg");
         int dmg = AbilityUtils.calculateAmount(sa.getHostCard(), damage, sa);
 
-        if (damage.equals("X") && sa.getSVar(damage).equals("Count$xPaid")) {
+        if ((damage.equals("X") && sa.getSVar(damage).equals("Count$xPaid") ||
+                sa.getHostCard().getName().equals("Crater's Claws"))) {
             // Set PayX here to maximum value.
             dmg = ComputerUtilMana.determineLeftoverMana(sa, ai);
             source.setSVar("PayX", Integer.toString(dmg));
         }
+        if (sa.getHostCard().getName().equals("Crater's Claws") && ai.hasFerocious()) {
+            dmg += 2;
+        }
         String logic = sa.getParam("AILogic");
         
         if ("DiscardLands".equals(logic)) {
@@ -95,7 +99,8 @@ public class DamageDealAi extends DamageAiBase {
             return false;
         }
 
-        if (damage.equals("X") && source.getSVar(damage).equals("Count$xPaid")) {
+        if ((damage.equals("X") && source.getSVar(damage).equals("Count$xPaid")) ||
+                sa.getHostCard().getName().equals("Crater's Claws")){
             // If I can kill my target by paying less mana, do it
             if (sa.usesTargeting() && !sa.getTargets().isTargetingAnyPlayer() && !sa.hasParam("DividedAsYouChoose")) {
                 int actualPay = 0;
@@ -106,6 +111,9 @@ public class DamageDealAi extends DamageAiBase {
                         actualPay = adjDamage;
                     }
                 }
+                if (sa.getHostCard().getName().equals("Crater's Claws") && ai.hasFerocious()) {
+                    actualPay = actualPay > 2 ? actualPay - 2 : 0;
+                }
                 source.setSVar("PayX", Integer.toString(actualPay));
             }
         }

forge-game/src/main/java/forge/game/player/Player.java

@@ -2348,6 +2348,25 @@ public class Player extends GameEntity implements Comparable<Player> {
         return false;
     }
 
+    
+    /**
+     * <p>
+     * hasFerocious.
+     * </p>
+     * 
+     * @return a boolean.
+     */
+    public boolean hasFerocious() {
+        final List<Card> list = this.getCreaturesInPlay();
+        final List<Card> ferocious = CardLists.filter(list, new Predicate<Card>() {
+            @Override
+            public boolean apply(final Card c) {
+                return c.getNetAttack() > 3;
+            }
+        });
+        return !ferocious.isEmpty();
+    }
+
     /**
      * <p>
      * getBloodthirstAmount.