Card: add sharesCMCWith use it for DifferentCMC in ChangeZoneEffect

also use sharesNameWith for DifferentNames in ChangeZoneEffect
that does fix Seasons Past with SplitCards

forge-game/src/main/java/forge/game/ability/effects/ChangeZoneEffect.java

@@ -802,12 +802,12 @@ public class ChangeZoneEffect extends SpellAbilityEffect {
         for (int i = 0; i < changeNum && destination != null; i++) {
             if (sa.hasParam("DifferentNames")) {
                 for (Card c : chosenCards) {
-                    fetchList = CardLists.filter(fetchList, Predicates.not(CardPredicates.nameEquals(c.getName())));
+                    fetchList = CardLists.filter(fetchList, Predicates.not(CardPredicates.sharesNameWith(c)));
                 }
             }
             if (sa.hasParam("DifferentCMC")) {
                 for (Card c: chosenCards) {
-                    fetchList = CardLists.filter(fetchList, Predicates.not(CardPredicates.hasCMC(c.getCMC())));
+                    fetchList = CardLists.filter(fetchList, Predicates.not(CardPredicates.sharesCMCWith(c)));
                 }
             }
             if (sa.hasParam("ShareLandType")) {

forge-game/src/main/java/forge/game/card/Card.java

@@ -5317,10 +5317,10 @@ public class Card extends GameEntity implements Comparable<Card> {
         boolean shares;
         shares = getName().equals(c1.getName());
 
-        if (c1.isSplitCard()) {
+        if (isSplitCard() && c1.isSplitCard()) {
             shares |= c1.getName().equals(getState(CardStateName.LeftSplit).getName());
             shares |= c1.getName().equals(getState(CardStateName.RightSplit).getName());
-    	}
+        }
 
         return shares;
     }
@@ -5335,6 +5335,34 @@ public class Card extends GameEntity implements Comparable<Card> {
         return shares;
     }
 
+    public final boolean sharesCMCWith(final Card c1) {
+        int x;
+        int x2 = -1;
+        int y = 0;
+        int y2 = -1;
+
+        if (isSplitCard() && getCurrentStateName() == CardStateName.Original) {
+            x = getState(CardStateName.LeftSplit).getManaCost().getCMC();
+            x2 = getState(CardStateName.RightSplit).getManaCost().getCMC();
+        } else {
+            x = getCMC();
+        }
+
+        if (c1.isSplitCard() && c1.getCurrentStateName() == CardStateName.Original) {
+            y = c1.getState(CardStateName.LeftSplit).getManaCost().getCMC();
+            y2 = c1.getState(CardStateName.RightSplit).getManaCost().getCMC();
+
+            if (isSplitCard() && getCurrentStateName() == CardStateName.Original) {
+                return x == y || x == y2 || x2 == y || x2 == y2;
+            } else {
+                return x == y || x == y2;
+            }
+        } else {
+            y = c1.getCMC();
+            return x == y || x2 == y;
+        }
+    }
+
     public final boolean sharesCreatureTypeWith(final Card c1) {
         if (c1 == null) {
             return false;

forge-game/src/main/java/forge/game/card/CardPredicates.java

@@ -108,6 +108,24 @@ public final class CardPredicates {
         };
     }
 
+    public static final Predicate<Card> sharesNameWith(final Card name) {
+        return new Predicate<Card>() {
+            @Override
+            public boolean apply(Card c) {
+                return c.sharesNameWith(name);
+            }
+        };
+    }
+
+    public static final Predicate<Card> sharesCMCWith(final Card cmc) {
+        return new Predicate<Card>() {
+            @Override
+            public boolean apply(Card c) {
+                return c.sharesCMCWith(cmc);
+            }
+        };
+    }
+
     public static final Predicate<Card> sharesColorWith(final Card color) {
         return new Predicate<Card>() {
             @Override