From 4fc38b454865be4f58df0cc052e9040122a06bf5 Mon Sep 17 00:00:00 2001
From: BetaSteward <betasteward@gmail>
Date: Sat, 15 Oct 2011 23:43:32 -0400
Subject: [PATCH] prevent multiple singleton abilities on a permanent

---
 Mage/src/mage/game/permanent/PermanentImpl.java | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/Mage/src/mage/game/permanent/PermanentImpl.java b/Mage/src/mage/game/permanent/PermanentImpl.java
index 500bffb9287..bf532c503e2 100644
--- a/Mage/src/mage/game/permanent/PermanentImpl.java
+++ b/Mage/src/mage/game/permanent/PermanentImpl.java
@@ -167,9 +167,11 @@ public abstract class PermanentImpl<T extends PermanentImpl<T>> extends CardImpl
 	@Override
 	public void addAbility(Ability ability) {
 		Ability copy = ability.copy();
-		copy.setControllerId(controllerId);
-		copy.setSourceId(objectId);
-		abilities.add(copy);
+        if (!abilities.containsKey(copy.getId())) {
+            copy.setControllerId(controllerId);
+            copy.setSourceId(objectId);
+            abilities.add(copy);
+        }
 	}
 
 	@Override