diff --git a/Mage.Sets/src/mage/cards/p/PlanetariumOfWanShiTong.java b/Mage.Sets/src/mage/cards/p/PlanetariumOfWanShiTong.java
new file mode 100644
index 00000000000..0c6c9d526fe
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/p/PlanetariumOfWanShiTong.java
@@ -0,0 +1,122 @@
+package mage.cards.p;
+
+import mage.abilities.Ability;
+import mage.abilities.TriggeredAbility;
+import mage.abilities.TriggeredAbilityImpl;
+import mage.abilities.common.SimpleActivatedAbility;
+import mage.abilities.costs.common.TapSourceCost;
+import mage.abilities.costs.mana.GenericManaCost;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.keyword.ScryEffect;
+import mage.cards.Card;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Outcome;
+import mage.constants.SuperType;
+import mage.constants.Zone;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.players.Player;
+import mage.util.CardUtil;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class PlanetariumOfWanShiTong extends CardImpl {
+
+    public PlanetariumOfWanShiTong(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.ARTIFACT}, "{6}");
+
+        this.supertype.add(SuperType.LEGENDARY);
+
+        // {1}, {T}: Scry 2.
+        Ability ability = new SimpleActivatedAbility(new ScryEffect(2), new GenericManaCost(1));
+        ability.addCost(new TapSourceCost());
+        this.addAbility(ability);
+
+        // Whenever you scry or surveil, look at the top card of your library. You may cast that card without paying its mana cost. Do this only once each turn.
+        this.addAbility(new PlanetariumOfWanShiTongTriggeredAbility());
+    }
+
+    private PlanetariumOfWanShiTong(final PlanetariumOfWanShiTong card) {
+        super(card);
+    }
+
+    @Override
+    public PlanetariumOfWanShiTong copy() {
+        return new PlanetariumOfWanShiTong(this);
+    }
+}
+
+class PlanetariumOfWanShiTongTriggeredAbility extends TriggeredAbilityImpl {
+
+    PlanetariumOfWanShiTongTriggeredAbility() {
+        super(Zone.BATTLEFIELD, new PlanetariumOfWanShiTongEffect());
+        this.setTriggerPhrase("Whenever you scry or surveil, ");
+        this.setDoOnlyOnceEachTurn(true);
+        this.setOptional(false);
+    }
+
+    private PlanetariumOfWanShiTongTriggeredAbility(final PlanetariumOfWanShiTongTriggeredAbility ability) {
+        super(ability);
+    }
+
+    @Override
+    public PlanetariumOfWanShiTongTriggeredAbility copy() {
+        return new PlanetariumOfWanShiTongTriggeredAbility(this);
+    }
+
+    @Override
+    public boolean checkEventType(GameEvent event, Game game) {
+        switch (event.getType()) {
+            case SCRIED:
+            case SURVEILED:
+                return true;
+            default:
+                return false;
+        }
+    }
+
+    @Override
+    public boolean checkTrigger(GameEvent event, Game game) {
+        return isControlledBy(event.getPlayerId());
+    }
+}
+
+class PlanetariumOfWanShiTongEffect extends OneShotEffect {
+
+    PlanetariumOfWanShiTongEffect() {
+        super(Outcome.Benefit);
+        staticText = "look at the top card of your library. You may cast that card without paying its mana cost";
+    }
+
+    private PlanetariumOfWanShiTongEffect(final PlanetariumOfWanShiTongEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public PlanetariumOfWanShiTongEffect copy() {
+        return new PlanetariumOfWanShiTongEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player player = game.getPlayer(source.getControllerId());
+        if (player == null) {
+            return false;
+        }
+        Card card = player.getLibrary().getFromTop(game);
+        if (card == null) {
+            return false;
+        }
+        player.lookAtCards("Top of library", card, game);
+        if (!CardUtil.castSpellWithAttributesForFree(player, source, game, card)) {
+            return false;
+        }
+        TriggeredAbility.setDidThisTurn(source, game);
+        return true;
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/AvatarTheLastAirbender.java b/Mage.Sets/src/mage/sets/AvatarTheLastAirbender.java
index 8170c1ac29f..4ea5571b2b1 100644
--- a/Mage.Sets/src/mage/sets/AvatarTheLastAirbender.java
+++ b/Mage.Sets/src/mage/sets/AvatarTheLastAirbender.java
@@ -147,6 +147,8 @@ public final class AvatarTheLastAirbender extends ExpansionSet {
         cards.add(new SetCardInfo("Plains", 282, Rarity.LAND, mage.cards.basiclands.Plains.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Plains", 287, Rarity.LAND, mage.cards.basiclands.Plains.class, FULL_ART_BFZ_VARIOUS));
         cards.add(new SetCardInfo("Plains", 292, Rarity.LAND, mage.cards.basiclands.Plains.class, FULL_ART_BFZ_VARIOUS));
+        cards.add(new SetCardInfo("Planetarium of Wan Shi Tong", 259, Rarity.MYTHIC, mage.cards.p.PlanetariumOfWanShiTong.class, NON_FULL_USE_VARIOUS));
+        cards.add(new SetCardInfo("Planetarium of Wan Shi Tong", 385, Rarity.MYTHIC, mage.cards.p.PlanetariumOfWanShiTong.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Pretending Poxbearers", 237, Rarity.COMMON, mage.cards.p.PretendingPoxbearers.class));
         cards.add(new SetCardInfo("Rabaroo Troop", 32, Rarity.COMMON, mage.cards.r.RabarooTroop.class));
         cards.add(new SetCardInfo("Ran and Shaw", 150, Rarity.RARE, mage.cards.r.RanAndShaw.class, NON_FULL_USE_VARIOUS));
diff --git a/Mage/src/main/java/mage/abilities/TriggeredAbility.java b/Mage/src/main/java/mage/abilities/TriggeredAbility.java
index 37785373766..7d0dd8401dc 100644
--- a/Mage/src/main/java/mage/abilities/TriggeredAbility.java
+++ b/Mage/src/main/java/mage/abilities/TriggeredAbility.java
@@ -61,6 +61,8 @@ public interface TriggeredAbility extends Ability {
      */
     int getRemainingTriggersLimitEachGame(Game game);
 
+    TriggeredAbility setOptional(boolean optional);
+
     TriggeredAbility setDoOnlyOnceEachTurn(boolean doOnlyOnce);
 
     /**
diff --git a/Mage/src/main/java/mage/abilities/TriggeredAbilityImpl.java b/Mage/src/main/java/mage/abilities/TriggeredAbilityImpl.java
index 171669368c5..fcef0db4a28 100644
--- a/Mage/src/main/java/mage/abilities/TriggeredAbilityImpl.java
+++ b/Mage/src/main/java/mage/abilities/TriggeredAbilityImpl.java
@@ -209,6 +209,12 @@ public abstract class TriggeredAbilityImpl extends AbilityImpl implements Trigge
         return this;
     }
 
+    @Override
+    public TriggeredAbility setOptional(boolean optional) {
+        this.optional = optional;
+        return this;
+    }
+
     @Override
     public TriggeredAbility withRuleTextReplacement(boolean replaceRuleText) {
         this.replaceRuleText = replaceRuleText;