implement [MH3] Corrupted Shapeshifter

Mage.Sets/src/mage/cards/c/CorruptedShapeshifter.java

@@ -0,0 +1,129 @@
+package mage.cards.c;
+
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.effects.ReplacementEffectImpl;
+import mage.abilities.effects.common.continuous.GainAbilitySourceEffect;
+import mage.abilities.effects.common.continuous.SetBasePowerToughnessSourceEffect;
+import mage.abilities.keyword.DefenderAbility;
+import mage.abilities.keyword.DevoidAbility;
+import mage.abilities.keyword.FlyingAbility;
+import mage.abilities.keyword.VigilanceAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.choices.Choice;
+import mage.choices.ChoiceImpl;
+import mage.constants.*;
+import mage.game.Game;
+import mage.game.events.EntersTheBattlefieldEvent;
+import mage.game.events.GameEvent;
+import mage.game.permanent.Permanent;
+import mage.players.Player;
+
+import java.util.UUID;
+
+/**
+ * @author Susucr
+ */
+public final class CorruptedShapeshifter extends CardImpl {
+
+    public CorruptedShapeshifter(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{3}{U}");
+
+        this.subtype.add(SubType.ELDRAZI);
+        this.subtype.add(SubType.SHAPESHIFTER);
+        this.power = new MageInt(0);
+        this.toughness = new MageInt(0);
+
+        // Devoid
+        this.addAbility(new DevoidAbility(this.color));
+
+        // As Corrupted Shapeshifter enters the battlefield, it becomes your choice of a 3/3 creature with flying, a 2/5 creature with vigilance, or a 0/12 creature with defender.
+        this.addAbility(new SimpleStaticAbility(Zone.ALL, new CorruptedShapeshifterReplacementEffect()));
+    }
+
+    private CorruptedShapeshifter(final CorruptedShapeshifter card) {
+        super(card);
+    }
+
+    @Override
+    public CorruptedShapeshifter copy() {
+        return new CorruptedShapeshifter(this);
+    }
+}
+
+class CorruptedShapeshifterReplacementEffect extends ReplacementEffectImpl {
+
+    private static final String choice33 = "a 3/3 creature with flying";
+    private static final String choice25 = "a 2/5 creature with vigilance";
+    private static final String choice012 = "a 0/12 creature with defender";
+
+    public CorruptedShapeshifterReplacementEffect() {
+        super(Duration.WhileOnBattlefield, Outcome.Benefit);
+        staticText = "As {this} enters the battlefield, it becomes your choice of a 3/3 creature with flying, "
+                + "a 2/5 creature with vigilance, or a 0/12 creature with defender";
+    }
+
+    private CorruptedShapeshifterReplacementEffect(final CorruptedShapeshifterReplacementEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public boolean checksEventType(GameEvent event, Game game) {
+        return event.getType() == GameEvent.EventType.ENTERS_THE_BATTLEFIELD;
+    }
+
+    @Override
+    public boolean applies(GameEvent event, Ability source, Game game) {
+        if (event.getTargetId().equals(source.getSourceId())) {
+            Permanent sourcePermanent = ((EntersTheBattlefieldEvent) event).getTarget();
+            return sourcePermanent != null && !sourcePermanent.isFaceDown(game);
+        }
+        return false;
+    }
+
+    @Override
+    public boolean replaceEvent(GameEvent event, Ability source, Game game) {
+        Permanent permanent = ((EntersTheBattlefieldEvent) event).getTarget();
+        Player controller = game.getPlayer(source.getControllerId());
+        if (permanent != null && controller != null) {
+            Choice choice = new ChoiceImpl(true);
+            choice.setMessage("Choose what " + permanent.getIdName() + " becomes to");
+            choice.getChoices().add(choice33);
+            choice.getChoices().add(choice25);
+            choice.getChoices().add(choice012);
+            if (!controller.choose(Outcome.Neutral, choice, game)) {
+                return false;
+            }
+            int power = 0;
+            int toughness = 0;
+            switch (choice.getChoice()) {
+                case choice33:
+                    power = 3;
+                    toughness = 3;
+                    game.addEffect(new GainAbilitySourceEffect(FlyingAbility.getInstance(), Duration.Custom), source);
+                    break;
+                case choice25:
+                    power = 2;
+                    toughness = 5;
+                    game.addEffect(new GainAbilitySourceEffect(VigilanceAbility.getInstance(), Duration.Custom), source);
+                    break;
+                case choice012:
+                    power = 0;
+                    toughness = 12;
+                    game.addEffect(new GainAbilitySourceEffect(DefenderAbility.getInstance(), Duration.Custom), source);
+                    break;
+            }
+            game.addEffect(new SetBasePowerToughnessSourceEffect(power, toughness, Duration.WhileOnBattlefield), source);
+        }
+        return false;
+
+    }
+
+    @Override
+    public CorruptedShapeshifterReplacementEffect copy() {
+        return new CorruptedShapeshifterReplacementEffect(this);
+    }
+
+}

Mage.Sets/src/mage/sets/ModernHorizons3.java

@@ -54,6 +54,7 @@ public final class ModernHorizons3 extends ExpansionSet {
         cards.add(new SetCardInfo("Consuming Corruption", 84, Rarity.UNCOMMON, mage.cards.c.ConsumingCorruption.class));
         cards.add(new SetCardInfo("Contaminated Landscape", 218, Rarity.COMMON, mage.cards.c.ContaminatedLandscape.class));
         cards.add(new SetCardInfo("Copycrook", 55, Rarity.UNCOMMON, mage.cards.c.Copycrook.class));
+        cards.add(new SetCardInfo("Corrupted Shapeshifter", 56, Rarity.COMMON, mage.cards.c.CorruptedShapeshifter.class));
         cards.add(new SetCardInfo("Crabomination", 85, Rarity.RARE, mage.cards.c.Crabomination.class));
         cards.add(new SetCardInfo("Cranial Ram", 180, Rarity.COMMON, mage.cards.c.CranialRam.class));
         cards.add(new SetCardInfo("Cursed Mirror", 279, Rarity.RARE, mage.cards.c.CursedMirror.class));