From 19a9c0df432071c46e5a3ff80cc894b358e3130a Mon Sep 17 00:00:00 2001
From: Evan Kranzler <theelk801@gmail.com>
Date: Tue, 31 May 2022 18:19:27 -0400
Subject: [PATCH] [CLB] Implemented Mocking Doppelganger

---
 .../src/mage/cards/m/MockingDoppelganger.java | 95 +++++++++++++++++++
 .../CommanderLegendsBattleForBaldursGate.java |  1 +
 2 files changed, 96 insertions(+)
 create mode 100644 Mage.Sets/src/mage/cards/m/MockingDoppelganger.java

diff --git a/Mage.Sets/src/mage/cards/m/MockingDoppelganger.java b/Mage.Sets/src/mage/cards/m/MockingDoppelganger.java
new file mode 100644
index 00000000000..c5b0aaa08c5
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/m/MockingDoppelganger.java
@@ -0,0 +1,95 @@
+package mage.cards.m;
+
+import mage.MageInt;
+import mage.MageObject;
+import mage.abilities.Ability;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.effects.EntersBattlefieldEffect;
+import mage.abilities.effects.common.CopyPermanentEffect;
+import mage.abilities.effects.common.combat.GoadAllEffect;
+import mage.abilities.keyword.FlashAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Duration;
+import mage.constants.SubType;
+import mage.constants.Zone;
+import mage.filter.FilterPermanent;
+import mage.filter.StaticFilters;
+import mage.filter.common.FilterCreaturePermanent;
+import mage.filter.predicate.ObjectSourcePlayer;
+import mage.filter.predicate.ObjectSourcePlayerPredicate;
+import mage.filter.predicate.mageobject.AnotherPredicate;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+import mage.util.CardUtil;
+import mage.util.functions.CopyApplier;
+
+import java.util.Objects;
+import java.util.Optional;
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class MockingDoppelganger extends CardImpl {
+
+    private static final FilterPermanent filter = new FilterCreaturePermanent();
+
+    static {
+        filter.add(AnotherPredicate.instance);
+        filter.add(MockingDoppelgangerPredicate.instance);
+    }
+
+    private static final CopyApplier applier = new CopyApplier() {
+        @Override
+        public boolean apply(Game game, MageObject blueprint, Ability source, UUID copyToObjectId) {
+            blueprint.getAbilities().add(new SimpleStaticAbility(new GoadAllEffect(
+                    Duration.WhileOnBattlefield, filter
+            ).setText("other creatures with the same name as this creature are goaded")));
+            return true;
+        }
+    };
+
+    public MockingDoppelganger(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{3}{U}");
+
+        this.subtype.add(SubType.SHAPESHIFTER);
+        this.power = new MageInt(0);
+        this.toughness = new MageInt(0);
+
+        // Flash
+        this.addAbility(FlashAbility.getInstance());
+
+        // You may have Mocking Doppelganger enter the battlefield as a copy of a creature an opponent controls, except it has "Other creatures with the same name as this creature are goaded."
+        this.addAbility(new SimpleStaticAbility(
+                Zone.ALL,
+                new EntersBattlefieldEffect(new CopyPermanentEffect(
+                        StaticFilters.FILTER_OPPONENTS_PERMANENT_CREATURE, applier
+                ).setText("You may have {this} enter the battlefield as a copy of a creature an opponent controls, " +
+                        "except it has \"Other creatures with the same name as this creature are goaded.\""), "", true)
+        ));
+    }
+
+    private MockingDoppelganger(final MockingDoppelganger card) {
+        super(card);
+    }
+
+    @Override
+    public MockingDoppelganger copy() {
+        return new MockingDoppelganger(this);
+    }
+}
+
+enum MockingDoppelgangerPredicate implements ObjectSourcePlayerPredicate<Permanent> {
+    instance;
+
+    @Override
+    public boolean apply(ObjectSourcePlayer<Permanent> input, Game game) {
+        return Optional
+                .of(input.getSource().getSourcePermanentIfItStillExists(game))
+                .filter(Objects::nonNull)
+                .map(permanent -> CardUtil.haveSameNames(permanent, input.getObject()))
+                .orElse(false);
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/CommanderLegendsBattleForBaldursGate.java b/Mage.Sets/src/mage/sets/CommanderLegendsBattleForBaldursGate.java
index 9166a85d9c2..38d1caa96d5 100644
--- a/Mage.Sets/src/mage/sets/CommanderLegendsBattleForBaldursGate.java
+++ b/Mage.Sets/src/mage/sets/CommanderLegendsBattleForBaldursGate.java
@@ -191,6 +191,7 @@ public final class CommanderLegendsBattleForBaldursGate extends ExpansionSet {
         cards.add(new SetCardInfo("Mind Stone", 325, Rarity.UNCOMMON, mage.cards.m.MindStone.class));
         cards.add(new SetCardInfo("Minimus Containment", 34, Rarity.COMMON, mage.cards.m.MinimusContainment.class));
         cards.add(new SetCardInfo("Minsc & Boo, Timeless Heroes", 285, Rarity.MYTHIC, mage.cards.m.MinscBooTimelessHeroes.class));
+        cards.add(new SetCardInfo("Mocking Doppelganger", 667, Rarity.RARE, mage.cards.m.MockingDoppelganger.class));
         cards.add(new SetCardInfo("Mold Folk", 133, Rarity.COMMON, mage.cards.m.MoldFolk.class));
         cards.add(new SetCardInfo("Monster Manual", 242, Rarity.RARE, mage.cards.m.MonsterManual.class));
         cards.add(new SetCardInfo("Moonshae Pixie", 84, Rarity.UNCOMMON, mage.cards.m.MoonshaePixie.class));