Fix crash in tempShowCard

Fix crash that can occur from calling canPlay too early

forge-game/src/main/java/forge/game/spellability/SpellAbility.java

@@ -247,6 +247,7 @@ public abstract class SpellAbility extends CardTraitBase implements ISpellAbilit
         if (subAbility != null) {
             subAbility.setActivatingPlayer(player);
         }
+        view.updateCanPlay(this);
     }
 
     public Player getTargetingPlayer() {

forge-game/src/main/java/forge/game/spellability/SpellAbilityView.java

@@ -10,11 +10,6 @@ public class SpellAbilityView extends TrackableObject<SpellAbilityProp> {
         super(sa.getId(), SpellAbilityProp.class);
         updateHostCard(sa);
         updateDescription(sa);
-
-        //only update remaining properties if within Game context
-        if (sa.getHostCard().getGame() == null) { return; }
-
-        updateCanPlay(sa);
         updatePromptIfOnlyPossibleAbility(sa);
     }
 

forge-gui/src/main/java/forge/player/PlayerControllerHuman.java

@@ -164,7 +164,9 @@ public class PlayerControllerHuman extends PlayerController {
         }
     }
     private void tempShowCard(Card c) {
-        CardView cv = MatchUtil.cards.get(c.getId());
+        if (c == null) { return; }
+
+        CardView cv = gameView.getCardView(c, false);
         if (!cv.mayBeShown()) {
             cv.setMayBeShown(true);
             tempShownCards.add(c);