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avoid an NPE when no cards are chosen

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Closes: core-developers/forge#680

Signed-off-by: Jamin W. Collins <jamin.collins@gmail.com>
This commit is contained in:
Jamin W. Collins
2018-09-08 10:56:59 -06:00
parent 353dc885c1
commit e4b146128c
1 changed files with 1 additions and 1 deletions
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forge-game/src/main/java/forge/game/ability/effects/ChangeZoneEffect.java
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@@ -891,7 +891,7 @@ public class ChangeZoneEffect extends SpellAbilityEffect {
// ensure that selection is within maximum allowed changeNum
do {
selectedCards = decider.getController().chooseCardsForZoneChange(destination, origin, sa, fetchList, delayedReveal, selectPrompt, decider);
} while (selectedCards.size() > changeNum);
} while (selectedCards != null && selectedCards.size() > changeNum);
for (Card card : selectedCards) {
chosenCards.add(card);
};