From 3eae5e9a0014d2368a69f56f147b740fb5608b16 Mon Sep 17 00:00:00 2001
From: LevelX2 <ludwig.hirth@online.de>
Date: Thu, 22 Sep 2016 20:49:12 +0200
Subject: [PATCH] Fixed a bug of the copy effect that could lead to null
 pointer exceptions e.g. for Permeating Mass trying to copy meanwhile removed
 target(fixes #2342).

---
 .../main/java/mage/abilities/effects/common/CopyEffect.java   | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Mage/src/main/java/mage/abilities/effects/common/CopyEffect.java b/Mage/src/main/java/mage/abilities/effects/common/CopyEffect.java
index 7b472f6566a..65f0fcb96de 100644
--- a/Mage/src/main/java/mage/abilities/effects/common/CopyEffect.java
+++ b/Mage/src/main/java/mage/abilities/effects/common/CopyEffect.java
@@ -104,6 +104,10 @@ public class CopyEffect extends ContinuousEffectImpl {
 
     @Override
     public boolean apply(Game game, Ability source) {
+        if (affectedObjectList.isEmpty()) {
+            this.discard();
+            return false;
+        }
         Permanent permanent = affectedObjectList.get(0).getPermanent(game);
         if (permanent == null) {
             permanent = (Permanent) game.getLastKnownInformation(getSourceId(), Zone.BATTLEFIELD, source.getSourceObjectZoneChangeCounter());