- Fixed AddCounter costs with amount of 0.

src/main/java/forge/card/cost/CostPutCounter.java

@@ -306,8 +306,10 @@ public class CostPutCounter extends CostPartWithList {
             targetCard.getCounters().put(counterType, Integer.valueOf(newValue));
         }
         // added c - 1 without firing triggers, the last counter added should fire trigger.
+        if (c > 0) {
             executePayment(ability, targetCard);
         }
+    }
 
 
     @Override