* Uba Mask - fixed that it doesn't work with MDF cards (#8222);

Mage.Sets/src/mage/cards/u/UbaMask.java

@@ -1,4 +1,3 @@
-
 package mage.cards.u;
 
 import mage.MageObject;
@@ -14,12 +13,12 @@ import mage.constants.*;
 import mage.game.Game;
 import mage.game.events.GameEvent;
 import mage.players.Player;
+import mage.util.CardUtil;
 import mage.watchers.Watcher;
 
 import java.util.*;
 
 /**
- *
  * @author LevelX2
  */
 public final class UbaMask extends CardImpl {
@@ -112,6 +111,7 @@ class UbaMaskPlayEffect extends AsThoughEffectImpl {
 
     @Override
     public boolean applies(UUID objectId, Ability source, UUID affectedControllerId, Game game) {
+        objectId = CardUtil.getMainCardId(game, objectId); // for split cards
         Card card = game.getCard(objectId);
         if (card != null
                 && affectedControllerId.equals(card.getOwnerId())

Mage.Tests/src/test/java/org/mage/test/cards/single/chk/HorobiDeathsWailTest.java

@@ -6,7 +6,7 @@ import org.junit.Ignore;
 import org.junit.Test;
 import org.mage.test.serverside.base.CardTestPlayerBase;
 
-public class Test_HorobiDeathsWail extends CardTestPlayerBase {
+public class HorobiDeathsWailTest extends CardTestPlayerBase {
 
     // issue 7772
     @Test

Mage.Tests/src/test/java/org/mage/test/cards/single/chk/UbaMaskTest.java

@@ -0,0 +1,88 @@
+package org.mage.test.cards.single.chk;
+
+import mage.constants.PhaseStep;
+import mage.constants.Zone;
+import org.junit.Test;
+import org.mage.test.player.TestPlayer;
+import org.mage.test.serverside.base.CardTestPlayerBase;
+
+/**
+ * @author JayDi85
+ */
+public class UbaMaskTest extends CardTestPlayerBase {
+
+    @Test
+    public void test_NormalCard() {
+        skipInitShuffling();
+
+        // If a player would draw a card, that player exiles that card face up instead.
+        // Each player may play cards they exiled with Uba Mask this turn.
+        addCard(Zone.BATTLEFIELD, playerA, "Uba Mask");
+        //
+        addCard(Zone.LIBRARY, playerA, "Grizzly Bears"); // {1}{G}
+        addCard(Zone.BATTLEFIELD, playerA, "Forest", 2);
+        //
+        addCard(Zone.LIBRARY, playerB, "Bronze Sable"); // {2}
+        addCard(Zone.BATTLEFIELD, playerB, "Forest", 2);
+
+        // turn 1 - no draws
+        checkExileCount("no exile on turn 1 for A", 1, PhaseStep.PRECOMBAT_MAIN, playerA, "Grizzly Bears", 0);
+        checkExileCount("no exile on turn 1 for B", 1, PhaseStep.PRECOMBAT_MAIN, playerB, "Bronze Sable", 0);
+
+        // turn 2 - B draw and exile
+        checkExileCount("no exile on turn 2 for A", 2, PhaseStep.PRECOMBAT_MAIN, playerA, "Grizzly Bears", 0);
+        checkExileCount("exiled on turn 2 for B", 2, PhaseStep.PRECOMBAT_MAIN, playerB, "Bronze Sable", 1);
+        checkPlayableAbility("A play on 2", 2, PhaseStep.PRECOMBAT_MAIN, playerA, "Cast Grizzly Bears", false);
+        checkPlayableAbility("A play on 2", 2, PhaseStep.PRECOMBAT_MAIN, playerA, "Cast Bronze Sable", false);
+        checkPlayableAbility("B play on 2", 2, PhaseStep.PRECOMBAT_MAIN, playerB, "Cast Grizzly Bears", false);
+        checkPlayableAbility("B play on 2", 2, PhaseStep.PRECOMBAT_MAIN, playerB, "Cast Bronze Sable", true);
+
+        // turn 3 - A draw and exile
+        checkExileCount("exiled on turn 3 for A", 3, PhaseStep.PRECOMBAT_MAIN, playerA, "Grizzly Bears", 1);
+        checkExileCount("no exile on turn 3 for B", 3, PhaseStep.PRECOMBAT_MAIN, playerB, "Bronze Sable", 1); // exiled on prev turn
+        checkPlayableAbility("A play on 3", 3, PhaseStep.PRECOMBAT_MAIN, playerA, "Cast Grizzly Bears", true);
+        checkPlayableAbility("A play on 3", 3, PhaseStep.PRECOMBAT_MAIN, playerA, "Cast Bronze Sable", false);
+        checkPlayableAbility("B play on 3", 3, PhaseStep.PRECOMBAT_MAIN, playerB, "Cast Grizzly Bears", false);
+        checkPlayableAbility("B play on 3", 3, PhaseStep.PRECOMBAT_MAIN, playerB, "Cast Bronze Sable", false);
+
+        // turn 3 - A play
+        castSpell(3, PhaseStep.POSTCOMBAT_MAIN, playerA, "Grizzly Bears");
+        waitStackResolved(3, PhaseStep.POSTCOMBAT_MAIN);
+
+        setStrictChooseMode(true);
+        setStopAt(3, PhaseStep.END_TURN);
+        execute();
+        assertAllCommandsUsed();
+
+        assertPermanentCount(playerA, "Grizzly Bears", 1);
+    }
+
+    @Test
+    public void test_MDF() {
+        skipInitShuffling();
+
+        // If a player would draw a card, that player exiles that card face up instead.
+        // Each player may play cards they exiled with Uba Mask this turn.
+        addCard(Zone.BATTLEFIELD, playerA, "Uba Mask");
+        //
+        addCard(Zone.LIBRARY, playerB, "Valki, God of Lies"); // {1}{B}
+        addCard(Zone.BATTLEFIELD, playerB, "Swamp", 2);
+
+        // turn 2
+
+        // B draw and exile valki
+        checkExileCount("exiled", 2, PhaseStep.PRECOMBAT_MAIN, playerB, "Valki, God of Lies", 1);
+        checkPlayableAbility("exiled", 2, PhaseStep.PRECOMBAT_MAIN, playerB, "Cast Valki, God of Lies", true);
+
+        // cast valki
+        castSpell(2, PhaseStep.POSTCOMBAT_MAIN, playerB, "Valki, God of Lies");
+        setChoice(playerB, TestPlayer.CHOICE_SKIP);
+
+        setStrictChooseMode(true);
+        setStopAt(2, PhaseStep.END_TURN);
+        execute();
+        assertAllCommandsUsed();
+
+        assertPermanentCount(playerB, "Valki, God of Lies", 1);
+    }
+}