- More changes related to supporting negative power and toughness, please test to see this doesn't break anything.

- Fixed some visualization issues in the deck editor related to supporting negative P/T (e.g. non-creatures showing up as P/T 2 billion+ / 2 billion+).

forge-ai/src/main/java/forge/ai/simulation/GameCopier.java

@@ -236,7 +236,7 @@ public class GameCopier {
             
             int setPower = c.getSetPower();
             int setToughness = c.getSetToughness();
-            if (setPower != -1 || setToughness != -1)  {
+            if (setPower != Integer.MAX_VALUE || setToughness != Integer.MAX_VALUE)  {
                 // TODO: Copy the full list with timestamps.
                 newCard.addNewPT(setPower, setToughness, newGame.getNextTimestamp());
             }