Implemented Catacomb Dragon

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

@@ -0,0 +1,86 @@
+package mage.cards.c;
+
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.common.BecomesBlockedByCreatureTriggeredAbility;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.continuous.BoostTargetEffect;
+import mage.abilities.keyword.FlyingAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Outcome;
+import mage.constants.SubType;
+import mage.filter.common.FilterCreaturePermanent;
+import mage.filter.predicate.Predicates;
+import mage.filter.predicate.mageobject.CardTypePredicate;
+import mage.filter.predicate.mageobject.SubtypePredicate;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class CatacombDragon extends CardImpl {
+
+    private static final FilterCreaturePermanent filter
+            = new FilterCreaturePermanent("a nonartifact, non-Dragon creature");
+
+    static {
+        filter.add(Predicates.not(new CardTypePredicate(CardType.ARTIFACT)));
+        filter.add(Predicates.not(new SubtypePredicate(SubType.DRAGON)));
+    }
+
+    public CatacombDragon(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{4}{B}{B}");
+
+        this.subtype.add(SubType.DRAGON);
+        this.power = new MageInt(4);
+        this.toughness = new MageInt(4);
+
+        // Flying
+        this.addAbility(FlyingAbility.getInstance());
+
+        // Whenever Catacomb Dragon becomes blocked by a nonartifact, non-Dragon creature, that creature gets -X/-0 until end of turn, where X is half the creature's power, rounded down.
+        this.addAbility(new BecomesBlockedByCreatureTriggeredAbility(new CatacombDragonEffect(), filter, false));
+    }
+
+    private CatacombDragon(final CatacombDragon card) {
+        super(card);
+    }
+
+    @Override
+    public CatacombDragon copy() {
+        return new CatacombDragon(this);
+    }
+}
+
+class CatacombDragonEffect extends OneShotEffect {
+
+    CatacombDragonEffect() {
+        super(Outcome.Benefit);
+        staticText = "that creature gets -X/-0 until end of turn, where X is half the creature's power, rounded down.";
+    }
+
+    private CatacombDragonEffect(final CatacombDragonEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public CatacombDragonEffect copy() {
+        return new CatacombDragonEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Permanent permanent = game.getPermanent(targetPointer.getFirst(game, source));
+        if (permanent == null || !permanent.isCreature()) {
+            return false;
+        }
+        int unBoost = -1 * Math.floorDiv(permanent.getPower().getValue(), 2);
+        game.addEffect(new BoostTargetEffect(unBoost, 0), source);
+        return true;
+    }
+}

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

@@ -61,6 +61,7 @@ public final class Mirage extends ExpansionSet {
         cards.add(new SetCardInfo("Cadaverous Knight", 110, Rarity.COMMON, mage.cards.c.CadaverousKnight.class));
         cards.add(new SetCardInfo("Canopy Dragon", 209, Rarity.RARE, mage.cards.c.CanopyDragon.class));
         cards.add(new SetCardInfo("Carrion", 111, Rarity.RARE, mage.cards.c.Carrion.class));
+        cards.add(new SetCardInfo("Catacomb Dragon", 112, Rarity.RARE, mage.cards.c.CatacombDragon.class));
         cards.add(new SetCardInfo("Celestial Dawn", 6, Rarity.RARE, mage.cards.c.CelestialDawn.class));
         cards.add(new SetCardInfo("Cerulean Wyvern", 57, Rarity.UNCOMMON, mage.cards.c.CeruleanWyvern.class));
         cards.add(new SetCardInfo("Chaos Charm", 163, Rarity.COMMON, mage.cards.c.ChaosCharm.class));