Update check to viewable cards

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

@@ -3337,6 +3337,13 @@ public class Card extends GameEntity implements Comparable<Card>, IHasSVars {
         }
         return result;
     }
+    public final List<Player> getMayPlayPlayers() {
+        List<Player> result = Lists.newArrayList();
+        for (CardPlayOption o : mayPlay.values()) {
+            result.add(o.getPlayer());
+        }
+        return result;
+    }
     public final void setMayPlay(final Player player, final boolean withoutManaCost, final Cost altManaCost, final boolean withFlash, final boolean grantZonePermissions, final StaticAbility sta) {
         this.mayPlay.put(sta, new CardPlayOption(player, sta, withoutManaCost, altManaCost, withFlash, grantZonePermissions));
     }

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

@@ -477,6 +477,10 @@ public class CardView extends GameEntityView {
     void updateNamedCard2(Card c) {
         set(TrackableProperty.NamedCard2, c.getNamedCard2());
     }
+    public boolean getMayPlayPlayers(PlayerView pv) {
+        TrackableCollection<PlayerView> col = get(TrackableProperty.MayPlayPlayers);
+        return col != null && col.indexOf(pv) != -1;
+    }
     public boolean mayPlayerLook(PlayerView pv) {
         TrackableCollection<PlayerView> col = get(TrackableProperty.PlayerMayLook);
         // TODO don't use contains as it only queries the backing HashSet which is problematic for netplay because of unsynchronized player ids
@@ -877,6 +881,11 @@ public class CardView extends GameEntityView {
         updateZoneText(c);
         updateDamage(c);
 
+        if (c.getMayPlayPlayers().isEmpty())
+            set(TrackableProperty.MayPlayPlayers, null);
+        else
+            set(TrackableProperty.MayPlayPlayers, PlayerView.getCollection(c.getMayPlayPlayers()));
+
         if (c.getIntensity(false) > 0) {
             updateIntensity(c);
         }

forge-game/src/main/java/forge/trackable/TrackableProperty.java

@@ -73,6 +73,7 @@ public enum TrackableProperty {
     NamedCard(TrackableTypes.StringType),
     NamedCard2(TrackableTypes.StringType),
     PlayerMayLook(TrackableTypes.PlayerViewCollectionType, FreezeMode.IgnoresFreeze),
+    MayPlayPlayers(TrackableTypes.PlayerViewCollectionType, FreezeMode.IgnoresFreeze),
     EntityAttachedTo(TrackableTypes.GameEntityViewType),
     EncodedCards(TrackableTypes.CardViewCollectionType),
     UntilLeavesBattlefield(TrackableTypes.CardViewCollectionType),

forge-gui-mobile/src/forge/screens/match/views/VCardDisplayArea.java

@@ -15,6 +15,7 @@ import forge.card.CardRenderer.CardStackPosition;
 import forge.card.CardZoom;
 import forge.card.CardZoom.ActivateHandler;
 import forge.game.card.CardView;
+import forge.game.zone.ZoneType;
 import forge.gui.FThreads;
 import forge.gui.GuiBase;
 import forge.screens.match.MatchController;
@@ -365,8 +366,13 @@ public abstract class VCardDisplayArea extends VDisplayArea implements ActivateH
         }
 
         public boolean selectCard(boolean selectEntireStack) {
-            if (!getCard().getController().equals(MatchController.instance.getCurrentPlayer()) && !getCard().mayPlayerLook(MatchController.instance.getCurrentPlayer())) {
+            if (!getCard().getController().equals(MatchController.instance.getCurrentPlayer()) && !ZoneType.Battlefield.equals(getCard().getZone())) {
-                return false;
+                if (getCard().mayPlayerLook(MatchController.instance.getCurrentPlayer())) { // can see the card, check if can play...
+                    if (!getCard().getMayPlayPlayers(MatchController.instance.getCurrentPlayer()))
+                        return false;
+                } else {
+                    return false;
+                }
             }
             if (MatchController.instance.getGameController().selectCard(getCard(), getOtherCardsToSelect(selectEntireStack), null)) {
                 Gdx.graphics.requestRendering();