From dc5fc69287e9c644883cd260cd2fc17c2f59d940 Mon Sep 17 00:00:00 2001
From: LevelX2 <ludwig.hirth@online.de>
Date: Tue, 24 Sep 2013 11:05:25 +0200
Subject: [PATCH] * Cavern of Soul - Fixed possible java exception when it is
 checked if with the Cavern mana was payed (Fixes #336).

---
 Mage.Sets/src/mage/sets/avacynrestored/CavernOfSouls.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Mage.Sets/src/mage/sets/avacynrestored/CavernOfSouls.java b/Mage.Sets/src/mage/sets/avacynrestored/CavernOfSouls.java
index 09afd931d19..d44c8640ce2 100644
--- a/Mage.Sets/src/mage/sets/avacynrestored/CavernOfSouls.java
+++ b/Mage.Sets/src/mage/sets/avacynrestored/CavernOfSouls.java
@@ -185,7 +185,8 @@ class CavernOfSoulsWatcher extends WatcherImpl<CavernOfSoulsWatcher> {
     @Override
     public void watch(GameEvent event, Game game) {
         if (event.getType() == GameEvent.EventType.MANA_PAYED) {
-            if (game.getObject(event.getSourceId()).getName().equals("Cavern of Souls")) {
+            MageObject object = game.getObject(event.getSourceId());
+            if (object != null && object.getName().equals("Cavern of Souls")) {
                 spells.add(event.getTargetId()); 
             }
         }