- Fixed possible freeze when AI discards cards with triggers in cleanup.

src/main/java/forge/game/ai/AiInputCommon.java

@@ -87,12 +87,12 @@ public class AiInputCommon extends Input {
                         final int size = player.getCardsIn(ZoneType.Hand).size();
                         
                         if (!player.isUnlimitedHandSize()) {
-
                             int max = Math.min(player.getZone(ZoneType.Hand).size(), size - player.getMaxHandSize());
                             final List<Card> toDiscard = player.getAi().getCardsToDiscard(max, (String[])null, null);
                             for (int i = 0; i < toDiscard.size(); i++) {
                                 player.discard(toDiscard.get(i), null);
                             }
+                            game.getStack().chooseOrderOfSimultaneousStackEntryAll();
                         }
                     }
                     break;