Treasure Nabber (C18) "All takesies, no givesies"

Mage.Sets/src/mage/cards/t/TreasureNabber.java

@@ -0,0 +1,146 @@
+package mage.cards.t;
+
+import java.util.List;
+import java.util.UUID;
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.TriggeredAbilityImpl;
+import mage.abilities.effects.ContinuousEffectImpl;
+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.PhaseStep;
+import mage.constants.SubLayer;
+import mage.constants.SubType;
+import mage.constants.Zone;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.game.events.GameEvent.EventType;
+import mage.game.permanent.Permanent;
+import mage.target.targetpointer.FixedTarget;
+import mage.target.targetpointer.FixedTargets;
+
+/**
+ *
+ * @author spjspj
+ */
+public final class TreasureNabber extends CardImpl {
+
+    public TreasureNabber(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{2}{R}");
+
+        this.subtype.add(SubType.GOBLIN);
+        this.subtype.add(SubType.ROGUE);
+        this.power = new MageInt(3);
+        this.toughness = new MageInt(2);
+
+        // Whenever an opponent taps an artifact for mana, gain control of that artifact until the end of your next turn.
+        this.addAbility(new TreasureNabberAbility());
+    }
+
+    public TreasureNabber(final TreasureNabber card) {
+        super(card);
+    }
+
+    @Override
+    public TreasureNabber copy() {
+        return new TreasureNabber(this);
+    }
+}
+
+class TreasureNabberAbility extends TriggeredAbilityImpl {
+
+    public TreasureNabberAbility() {
+        super(Zone.BATTLEFIELD, new TreasureNabberEffect());
+    }
+
+    public TreasureNabberAbility(TreasureNabberAbility ability) {
+        super(ability);
+    }
+
+    @Override
+    public boolean checkEventType(GameEvent event, Game game) {
+        return event.getType() == EventType.TAPPED_FOR_MANA;
+    }
+
+    @Override
+    public boolean checkTrigger(GameEvent event, Game game) {
+        if (game.getOpponents(controllerId).contains(event.getPlayerId())) {
+            Permanent permanent = game.getPermanent(event.getSourceId());
+            if (permanent != null && permanent.isArtifact()) {
+                getEffects().get(0).setTargetPointer(new FixedTarget(permanent.getId()));
+                return true;
+            }
+        }
+        return false;
+    }
+
+    @Override
+    public TreasureNabberAbility copy() {
+        return new TreasureNabberAbility(this);
+    }
+
+    @Override
+    public String getRule() {
+        return "Whenever an opponent taps an artifact for mana, gain control of that artifact until the end of your next turn";
+    }
+}
+
+class TreasureNabberEffect extends ContinuousEffectImpl {
+
+    protected FixedTargets fixedTargets;
+    protected int startingTurn;
+
+    TreasureNabberEffect() {
+        super(Duration.Custom, Layer.ControlChangingEffects_2, SubLayer.NA, Outcome.GainControl);
+        this.staticText = "gain control of that artifact until the end of your next turn";
+        startingTurn = 0;
+    }
+
+    @Override
+    public void init(Ability source, Game game) {
+        super.init(source, game);
+        startingTurn = game.getTurnNum();
+        if (game.getPhase().getStep().getType() == PhaseStep.END_TURN) {
+            startingTurn = game.getTurnNum() + 1;
+        }
+    }
+
+    TreasureNabberEffect(final TreasureNabberEffect effect) {
+        super(effect);
+        this.fixedTargets = effect.fixedTargets;
+    }
+
+    @Override
+    public TreasureNabberEffect copy() {
+        return new TreasureNabberEffect(this);
+    }
+
+    @Override
+    public boolean isInactive(Ability source, Game game) {
+        if (startingTurn != 0 && game.getTurnNum() >= startingTurn && game.getPhase().getStep().getType() == PhaseStep.END_TURN) {
+            if (game.isActivePlayer(source.getControllerId())) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Permanent permanent = game.getPermanent(getTargetPointer().getFirst(game, source));
+
+        if (permanent != null) {
+            permanent.changeControllerId(source.getControllerId(), game);
+            return true;
+        }
+        return false;
+    }
+
+    public void setTargets(List<Permanent> targetedPermanents, Game game) {
+        this.fixedTargets = new FixedTargets(targetedPermanents, game);
+    }
+}

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

@@ -293,6 +293,7 @@ private Commander2018() {
         cards.add(new SetCardInfo("Tranquil Expanse", 289, Rarity.UNCOMMON, mage.cards.t.TranquilExpanse.class));
         cards.add(new SetCardInfo("Tranquil Thicket", 290, Rarity.COMMON, mage.cards.t.TranquilThicket.class));
         cards.add(new SetCardInfo("Treasure Hunt", 109, Rarity.COMMON, mage.cards.t.TreasureHunt.class));
+        cards.add(new SetCardInfo("Treasure Nabber", 27, Rarity.RARE, mage.cards.t.TreasureNabber.class));
         cards.add(new SetCardInfo("Turntimber Sower", 35, Rarity.RARE, mage.cards.t.TurntimberSower.class));
         cards.add(new SetCardInfo("Tuvasa the Sunlit", 47, Rarity.MYTHIC, mage.cards.t.TuvasaTheSunlit.class));
         cards.add(new SetCardInfo("Unflinching Courage", 192, Rarity.UNCOMMON, mage.cards.u.UnflinchingCourage.class));