* Fixed a bug that order of triggered abilities of tokens were not shown to human player and the UI was locked (fixes #910).

Mage.Common/src/mage/view/CardsView.java

@@ -89,6 +89,9 @@ public class CardsView extends LinkedHashMap<UUID, CardView> {
                 case EXILED:
                 case GRAVEYARD:
                     sourceObject = game.getCard(ability.getSourceId());
+                    if (sourceObject == null) {
+                        sourceObject = game.getPermanent(ability.getSourceId());
+                    }
                     isCard = true;
                     break;
                 case BATTLEFIELD:

Mage.Server/src/main/java/mage/server/game/GameController.java

@@ -846,7 +846,8 @@ public class GameController implements GameCallback {
         perform(playerId, new Command() {
             @Override
             public void execute(UUID playerId) {
-                getGameSession(playerId).target(question, new CardsView(abilities, game), null, required, options);
+                CardsView cardsView = new CardsView(abilities, game);
+                getGameSession(playerId).target(question, cardsView, null, required, options);
             }
         });
     }

Mage.Sets/src/mage/sets/tenthedition/VenerableMonk.java

@@ -28,12 +28,12 @@
 package mage.sets.tenthedition;
 
 import java.util.UUID;
-import mage.constants.CardType;
-import mage.constants.Rarity;
 import mage.MageInt;
 import mage.abilities.common.EntersBattlefieldTriggeredAbility;
 import mage.abilities.effects.common.GainLifeEffect;
 import mage.cards.CardImpl;
+import mage.constants.CardType;
+import mage.constants.Rarity;
 
 /**
  *
@@ -50,6 +50,8 @@ public class VenerableMonk extends CardImpl {
 
         this.power = new MageInt(2);
         this.toughness = new MageInt(2);
+
+        // When Venerable Monk enters the battlefield, you gain 2 life.
         this.addAbility(new EntersBattlefieldTriggeredAbility(new GainLifeEffect(2)));
     }
 

Mage.Sets/src/mage/sets/zendikar/RiteOfReplication.java

@@ -28,16 +28,16 @@
 package mage.sets.zendikar;
 
 import java.util.UUID;
-import mage.constants.CardType;
-import mage.constants.Outcome;
-import mage.constants.Rarity;
-import mage.constants.Zone;
 import mage.abilities.Ability;
 import mage.abilities.condition.common.KickedCondition;
 import mage.abilities.decorator.ConditionalOneShotEffect;
 import mage.abilities.effects.OneShotEffect;
 import mage.abilities.keyword.KickerAbility;
 import mage.cards.CardImpl;
+import mage.constants.CardType;
+import mage.constants.Outcome;
+import mage.constants.Rarity;
+import mage.constants.Zone;
 import mage.game.Game;
 import mage.game.permanent.Permanent;
 import mage.game.permanent.token.EmptyToken;
@@ -54,7 +54,6 @@ public class RiteOfReplication extends CardImpl {
         super(ownerId, 61, "Rite of Replication", Rarity.RARE, new CardType[]{CardType.SORCERY}, "{2}{U}{U}");
         this.expansionSetCode = "ZEN";
 
-
         // Kicker {5}
         this.addAbility(new KickerAbility("{5}"));
 

Mage.Tests/src/test/java/org/mage/test/cards/replacement/DoublingSeasonTest.java

@@ -7,17 +7,19 @@ import org.junit.Test;
 import org.mage.test.serverside.base.CardTestPlayerBase;
 
 /**
- * Doubling Season:
- *      If an effect would put one or more tokens onto the battlefield under your control, it puts twice that many of those tokens onto the battlefield instead.
- *      If an effect would place one or more counters on a permanent you control, it places twice that many of those counters on that permanent instead.
+ * Doubling Season: If an effect would put one or more tokens onto the
+ * battlefield under your control, it puts twice that many of those tokens onto
+ * the battlefield instead. If an effect would place one or more counters on a
+ * permanent you control, it places twice that many of those counters on that
+ * permanent instead.
  *
  * @author LevelX2
  */
 public class DoublingSeasonTest extends CardTestPlayerBase {
 
     /**
-     * Tests that instead of one spore counter there were two spore counters added to Pallid Mycoderm
-     * if Doubling Season is on the battlefield.
+     * Tests that instead of one spore counter there were two spore counters
+     * added to Pallid Mycoderm if Doubling Season is on the battlefield.
      */
     @Test
     public void testDoubleSporeCounter() {
@@ -35,8 +37,9 @@ public class DoublingSeasonTest extends CardTestPlayerBase {
     }
 
     /**
-     * Tests if 3 damage are prevented with Test of Faith and Doubling Season is on
-     * the battlefield, that 6 +1/+1 counters are added to the target creature.
+     * Tests if 3 damage are prevented with Test of Faith and Doubling Season is
+     * on the battlefield, that 6 +1/+1 counters are added to the target
+     * creature.
      */
     @Test
     public void testDoubleP1P1Counter() {
@@ -63,9 +66,10 @@ public class DoublingSeasonTest extends CardTestPlayerBase {
         assertPowerToughness(playerA, "Silvercoat Lion", 8, 8);
 
     }
+
     /**
-     * Tests that 2 Saproling tokens are created instead of one if Doubling Season is on
-     * the battlefield.
+     * Tests that 2 Saproling tokens are created instead of one if Doubling
+     * Season is on the battlefield.
      */
     @Test
     public void testDoubleTokens() {
@@ -89,4 +93,43 @@ public class DoublingSeasonTest extends CardTestPlayerBase {
 
     }
 
+    /**
+     * Creatures with enter the battlefield triggers are causing a bug when
+     * multiple copies are made simultaneously (ie via Doubling Season +
+     * Kiki-Jiki, Mirror Breaker or Rite of Replication). After the tokens have
+     * entered the battlefield it asks their controller to choose the order that
+     * the triggered abilities on the stack but no window opens to select the
+     * triggers leaving no option to move the game forward (besides rollback and
+     * just not making the tokens). Several attempts with the different
+     * combinations make it *seem to be a general bug about duplicates entering
+     * at the same time and not related to the specific cards.
+     */
+    @Test
+    public void testDoubleRiteOfReplication() {
+        /**
+         * If an effect would put one or more tokens onto the battlefield under
+         * your control, it puts twice that many of those tokens onto the
+         * battlefield instead. If an effect would place one or more counters on
+         * a permanent you control, it places twice that many of those counters
+         * on that permanent instead.
+         */
+
+        addCard(Zone.BATTLEFIELD, playerA, "Doubling Season");
+        addCard(Zone.BATTLEFIELD, playerA, "Island", 9);
+
+        // Put a token that's a copy of target creature onto the battlefield. If Rite of Replication was kicked, put five of those tokens onto the battlefield instead.
+        addCard(Zone.HAND, playerA, "Rite of Replication");
+        // When Venerable Monk enters the battlefield, you gain 2 life.
+        addCard(Zone.BATTLEFIELD, playerB, "Venerable Monk", 1);
+
+        castSpell(1, PhaseStep.PRECOMBAT_MAIN, playerA, "Rite of Replication", "Venerable Monk");
+        setChoice(playerA, "Yes");
+
+        setStopAt(1, PhaseStep.BEGIN_COMBAT);
+        execute();
+
+        assertLife(playerA, 40);
+        assertPermanentCount(playerA, "Venerable Monk", 10);
+
+    }
 }