From b202a35967c648a54c637f91cbc20b5d82621890 Mon Sep 17 00:00:00 2001
From: Maxmtg <maxmtg@cardforge.org>
Date: Fri, 2 Sep 2011 08:38:44 +0000
Subject: [PATCH] cardpool won't add 0 or negative number or any card

---
 src/main/java/forge/card/CardPool.java | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/main/java/forge/card/CardPool.java b/src/main/java/forge/card/CardPool.java
index 74f423afaa5..c3bb80b21fb 100644
--- a/src/main/java/forge/card/CardPool.java
+++ b/src/main/java/forge/card/CardPool.java
@@ -32,6 +32,7 @@ public final class CardPool extends CardPoolView  {
     // Cards manipulation
     public void add(final CardPrinted card) { add(card, 1); }
     public void add(final CardPrinted card, final int amount) {
+        if (amount <= 0) { return; }
         cards.put(card, count(card) + amount);
         isListInSync = false;
     }