Implemented Coveted Jewel

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

@@ -0,0 +1,135 @@
+package mage.cards.c;
+
+import java.util.UUID;
+import mage.abilities.Ability;
+import mage.abilities.TriggeredAbilityImpl;
+import mage.abilities.common.EntersBattlefieldTriggeredAbility;
+import mage.abilities.costs.common.TapSourceCost;
+import mage.abilities.effects.ContinuousEffectImpl;
+import mage.abilities.effects.common.DrawCardSourceControllerEffect;
+import mage.abilities.effects.common.DrawCardTargetEffect;
+import mage.abilities.effects.common.UntapSourceEffect;
+import mage.abilities.effects.mana.AddManaOfAnyColorEffect;
+import mage.abilities.mana.SimpleManaAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Duration;
+import mage.constants.Layer;
+import mage.constants.Outcome;
+import mage.constants.SubLayer;
+import mage.constants.Zone;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.game.permanent.Permanent;
+import mage.players.Player;
+import mage.target.targetpointer.FixedTarget;
+
+/**
+ *
+ * @author TheElk801
+ */
+public final class CovetedJewel extends CardImpl {
+
+    public CovetedJewel(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.ARTIFACT}, "{6}");
+
+        // When Coveted Jewel enters the battlefield, draw three cards.
+        this.addAbility(new EntersBattlefieldTriggeredAbility(
+                new DrawCardSourceControllerEffect(3)
+        ));
+
+        // {T}: Add three mana of any one color.
+        this.addAbility(new SimpleManaAbility(
+                Zone.BATTLEFIELD,
+                new AddManaOfAnyColorEffect(3),
+                new TapSourceCost()
+        ));
+
+        // Whenever one or more creatures an opponent controls attack you and aren't blocked, that player draws three cards and gains control of Coveted Jewel. Untap it.
+        this.addAbility(new CovetedJewelTriggeredAbility());
+    }
+
+    public CovetedJewel(final CovetedJewel card) {
+        super(card);
+    }
+
+    @Override
+    public CovetedJewel copy() {
+        return new CovetedJewel(this);
+    }
+}
+
+class CovetedJewelTriggeredAbility extends TriggeredAbilityImpl {
+
+    public CovetedJewelTriggeredAbility() {
+        super(Zone.BATTLEFIELD, new DrawCardTargetEffect(3), false);
+        this.addEffect(new CovetedJewelEffect());
+        this.addEffect(new UntapSourceEffect());
+    }
+
+    public CovetedJewelTriggeredAbility(final CovetedJewelTriggeredAbility ability) {
+        super(ability);
+    }
+
+    @Override
+    public CovetedJewelTriggeredAbility copy() {
+        return new CovetedJewelTriggeredAbility(this);
+    }
+
+    @Override
+    public boolean checkEventType(GameEvent event, Game game) {
+        return event.getType() == GameEvent.EventType.DECLARE_BLOCKERS_STEP;
+    }
+
+    @Override
+    public boolean checkTrigger(GameEvent event, Game game) {
+        Player player = game.getPlayer(this.getControllerId());
+        if (player == null) {
+            return false;
+        }
+        for (UUID attacker : game.getCombat().getAttackers()) {
+            Permanent creature = game.getPermanent(attacker);
+            if (creature != null
+                    && player.hasOpponent(creature.getControllerId(), game)
+                    && player.getId().equals(game.getCombat().getDefendingPlayerId(attacker, game))
+                    && !creature.isBlocked(game)) {
+                this.getEffects().setTargetPointer(new FixedTarget(this.getControllerId(), game));
+                return true;
+            }
+        }
+        return false;
+    }
+
+    @Override
+    public String getRule() {
+        return "Whenever one or more creatures an opponent controls attack you "
+                + "and aren't blocked, that player draws three cards "
+                + "and gains control of {this}. Untap it.";
+    }
+}
+
+class CovetedJewelEffect extends ContinuousEffectImpl {
+
+    public CovetedJewelEffect() {
+        super(Duration.Custom, Layer.ControlChangingEffects_2, SubLayer.NA, Outcome.GainControl);
+    }
+
+    public CovetedJewelEffect(final CovetedJewelEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public CovetedJewelEffect copy() {
+        return new CovetedJewelEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Permanent permanent = game.getPermanent(source.getSourceId());
+        if (permanent == null) {
+            return false;
+        }
+        return permanent.changeControllerId(source.getFirstTarget(), game);
+    }
+}

Mage.Sets/src/mage/sets/Commander2018.java

@@ -69,6 +69,7 @@ public final class Commander2018 extends ExpansionSet {
         cards.add(new SetCardInfo("Commander's Sphere", 200, Rarity.COMMON, mage.cards.c.CommandersSphere.class));
         cards.add(new SetCardInfo("Consign to Dust", 136, Rarity.UNCOMMON, mage.cards.c.ConsignToDust.class));
         cards.add(new SetCardInfo("Conundrum Sphinx", 84, Rarity.RARE, mage.cards.c.ConundrumSphinx.class));
+        cards.add(new SetCardInfo("Coveted Jewel", 54, Rarity.RARE, mage.cards.c.CovetedJewel.class));
         cards.add(new SetCardInfo("Crash of Rhino Beetles", 29, Rarity.RARE, mage.cards.c.CrashOfRhinoBeetles.class));
         cards.add(new SetCardInfo("Creeping Renaissance", 137, Rarity.RARE, mage.cards.c.CreepingRenaissance.class));
         cards.add(new SetCardInfo("Crib Swap", 65, Rarity.UNCOMMON, mage.cards.c.CribSwap.class));