[TDM] Implement Karakyk Guardian

Mage.Sets/src/mage/cards/k/KarakykGuardian.java

@@ -0,0 +1,110 @@
+package mage.cards.k;
+
+import mage.MageInt;
+import mage.MageObjectReference;
+import mage.abilities.Ability;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.condition.Condition;
+import mage.abilities.decorator.ConditionalContinuousEffect;
+import mage.abilities.effects.common.continuous.GainAbilitySourceEffect;
+import mage.abilities.keyword.FlyingAbility;
+import mage.abilities.keyword.HexproofAbility;
+import mage.abilities.keyword.TrampleAbility;
+import mage.abilities.keyword.VigilanceAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.SubType;
+import mage.constants.WatcherScope;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.game.permanent.Permanent;
+import mage.watchers.Watcher;
+
+import java.util.HashSet;
+import java.util.Set;
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class KarakykGuardian extends CardImpl {
+
+    public KarakykGuardian(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{3}{G}{U}{R}");
+
+        this.subtype.add(SubType.DRAGON);
+        this.power = new MageInt(6);
+        this.toughness = new MageInt(5);
+
+        // Flying
+        this.addAbility(FlyingAbility.getInstance());
+
+        // Vigilance
+        this.addAbility(VigilanceAbility.getInstance());
+
+        // Trample
+        this.addAbility(TrampleAbility.getInstance());
+
+        // This creature has hexproof if it hasn't dealt damage yet.
+        this.addAbility(new SimpleStaticAbility(new ConditionalContinuousEffect(
+                new GainAbilitySourceEffect(HexproofAbility.getInstance()),
+                KarakykGuardianCondition.instance, "{this} has hexproof if it hasn't dealt damage yet"
+        )), new KarakykGuardianWatcher());
+    }
+
+    private KarakykGuardian(final KarakykGuardian card) {
+        super(card);
+    }
+
+    @Override
+    public KarakykGuardian copy() {
+        return new KarakykGuardian(this);
+    }
+}
+
+enum KarakykGuardianCondition implements Condition {
+
+    instance;
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Permanent permanent = game.getPermanent(source.getSourceId());
+        KarakykGuardianWatcher watcher = game.getState().getWatcher(KarakykGuardianWatcher.class);
+        return permanent != null && !watcher.getDamagers().contains(new MageObjectReference(permanent, game));
+    }
+
+    @Override
+    public String toString() {
+        return "{this} hasn't dealt damage yet";
+    }
+
+}
+
+class KarakykGuardianWatcher extends Watcher {
+
+    private final Set<MageObjectReference> damagers = new HashSet<>();
+
+    public KarakykGuardianWatcher() {
+        super(WatcherScope.GAME);
+    }
+
+    @Override
+    public void watch(GameEvent event, Game game) {
+        switch (event.getType()) {
+            case DAMAGED_PERMANENT:
+            case DAMAGED_PLAYER:
+                break;
+            default:
+                return;
+        }
+        Permanent permanent = game.getPermanent(event.getSourceId());
+        if (permanent != null) {
+            damagers.add(new MageObjectReference(permanent, game));
+        }
+    }
+
+    public Set<MageObjectReference> getDamagers() {
+        return damagers;
+    }
+}

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

@@ -114,6 +114,7 @@ public final class TarkirDragonstorm extends ExpansionSet {
         cards.add(new SetCardInfo("Jeskai Monument", 244, Rarity.UNCOMMON, mage.cards.j.JeskaiMonument.class));
         cards.add(new SetCardInfo("Jeskai Shrinekeeper", 197, Rarity.UNCOMMON, mage.cards.j.JeskaiShrinekeeper.class));
         cards.add(new SetCardInfo("Jungle Hollow", 258, Rarity.COMMON, mage.cards.j.JungleHollow.class));
+        cards.add(new SetCardInfo("Karakyk Guardian", 198, Rarity.UNCOMMON, mage.cards.k.KarakykGuardian.class));
         cards.add(new SetCardInfo("Kheru Goldkeeper", 199, Rarity.UNCOMMON, mage.cards.k.KheruGoldkeeper.class));
         cards.add(new SetCardInfo("Kin-Tree Nurturer", 83, Rarity.COMMON, mage.cards.k.KinTreeNurturer.class));
         cards.add(new SetCardInfo("Kin-Tree Severance", 200, Rarity.UNCOMMON, mage.cards.k.KinTreeSeverance.class));