Implemented Escaped Shapeshifter

Mage.Sets/src/mage/cards/e/EscapedShapeshifter.java

@@ -0,0 +1,100 @@
+package mage.cards.e;
+
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.effects.ContinuousEffectImpl;
+import mage.abilities.keyword.FirstStrikeAbility;
+import mage.abilities.keyword.FlyingAbility;
+import mage.abilities.keyword.ProtectionAbility;
+import mage.abilities.keyword.TrampleAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.*;
+import mage.filter.StaticFilters;
+import mage.filter.predicate.mageobject.ColorPredicate;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+
+import java.util.Collection;
+import java.util.Objects;
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class EscapedShapeshifter extends CardImpl {
+
+    public EscapedShapeshifter(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{3}{U}{U}");
+
+        this.subtype.add(SubType.SHAPESHIFTER);
+        this.power = new MageInt(3);
+        this.toughness = new MageInt(4);
+
+        // As long as an opponent controls a creature with flying not named Escaped Shapeshifter, Escaped Shapeshifter has flying. The same is true for first strike, trample, and protection from any color.
+        this.addAbility(new SimpleStaticAbility(new EscapedShapeshifterEffect()));
+    }
+
+    private EscapedShapeshifter(final EscapedShapeshifter card) {
+        super(card);
+    }
+
+    @Override
+    public EscapedShapeshifter copy() {
+        return new EscapedShapeshifter(this);
+    }
+}
+
+class EscapedShapeshifterEffect extends ContinuousEffectImpl {
+
+    EscapedShapeshifterEffect() {
+        super(Duration.WhileOnBattlefield, Layer.AbilityAddingRemovingEffects_6, SubLayer.NA, Outcome.AddAbility);
+        this.addDependedToType(DependencyType.AddingAbility);
+        staticText = "As long as an opponent controls a creature with flying not named Escaped Shapeshifter, " +
+                "{this} has flying. The same is true for first strike, trample, and protection from any color.";
+    }
+
+    private EscapedShapeshifterEffect(final EscapedShapeshifterEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Permanent sourcePermanent = game.getPermanent(source.getSourceId());
+        if (sourcePermanent == null) {
+            return false;
+        }
+
+        game.getBattlefield()
+                .getActivePermanents(
+                        StaticFilters.FILTER_OPPONENTS_PERMANENT_CREATURE,
+                        source.getControllerId(), source.getSourceId(), game
+                ).stream()
+                .filter(Objects::nonNull)
+                .filter(permanent -> permanent.getName() != "Escaped Shapeshifter")
+                .map(Permanent::getAbilities)
+                .flatMap(Collection::stream).filter(EscapedShapeshifterEffect::checkAbility)
+                .forEach(ability -> sourcePermanent.addAbility(ability, source.getSourceId(), game));
+        return true;
+    }
+
+    private static boolean checkAbility(Ability ability) {
+        if (ability instanceof FlyingAbility
+                || ability instanceof FirstStrikeAbility
+                || ability instanceof TrampleAbility) {
+            return true;
+        }
+        return ability instanceof ProtectionAbility
+                && ((ProtectionAbility) ability)
+                .getFilter()
+                .getPredicates()
+                .stream()
+                .anyMatch(ColorPredicate.class::isInstance);
+    }
+
+    @Override
+    public EscapedShapeshifterEffect copy() {
+        return new EscapedShapeshifterEffect(this);
+    }
+}

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

@@ -112,6 +112,7 @@ public final class Tempest extends ExpansionSet {
         cards.add(new SetCardInfo("Energizer", 285, Rarity.RARE, mage.cards.e.Energizer.class));
         cards.add(new SetCardInfo("Enfeeblement", 133, Rarity.COMMON, mage.cards.e.Enfeeblement.class));
         cards.add(new SetCardInfo("Enraging Licid", 171, Rarity.UNCOMMON, mage.cards.e.EnragingLicid.class));
+        cards.add(new SetCardInfo("Escaped Shapeshifter", 62, Rarity.RARE, mage.cards.e.EscapedShapeshifter.class));
         cards.add(new SetCardInfo("Essence Bottle", 286, Rarity.UNCOMMON, mage.cards.e.EssenceBottle.class));
         cards.add(new SetCardInfo("Evincar's Justice", 134, Rarity.COMMON, mage.cards.e.EvincarsJustice.class));
         cards.add(new SetCardInfo("Excavator", 287, Rarity.UNCOMMON, mage.cards.e.Excavator.class));