[CLB] Implemented Brainstealer Dragon

Mage.Sets/src/mage/cards/b/BrainstealerDragon.java

@@ -0,0 +1,134 @@
+package mage.cards.b;
+
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.common.BeginningOfEndStepTriggeredAbility;
+import mage.abilities.common.EntersBattlefieldControlledTriggeredAbility;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.keyword.FlyingAbility;
+import mage.cards.*;
+import mage.constants.*;
+import mage.filter.FilterPermanent;
+import mage.filter.common.FilterNonlandPermanent;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+import mage.players.Player;
+import mage.util.CardUtil;
+
+import java.util.Objects;
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class BrainstealerDragon extends CardImpl {
+
+    private static final FilterPermanent filter
+            = new FilterNonlandPermanent("a nonland permanent an opponent owns");
+
+    static {
+        filter.add(TargetController.OPPONENT.getOwnerPredicate());
+    }
+
+    public BrainstealerDragon(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{5}{B}{B}");
+
+        this.subtype.add(SubType.DRAGON);
+        this.subtype.add(SubType.HORROR);
+        this.power = new MageInt(6);
+        this.toughness = new MageInt(6);
+
+        // Flying
+        this.addAbility(FlyingAbility.getInstance());
+
+        // At the beginning of your end step, exile the top card of each opponent's library. You may play those cards for as long as they remain exiled. If you cast a spell this way, you may spend mana as though it were mana of any color to cast it.
+        this.addAbility(new BeginningOfEndStepTriggeredAbility(
+                new BrainstealerDragonExileEffect(), TargetController.YOU, false
+        ));
+
+        // Whenever a nonland permanent an opponent owns enters the battlefield under your control, they lose life equal to its mana value.
+        this.addAbility(new EntersBattlefieldControlledTriggeredAbility(
+                Zone.BATTLEFIELD, new BrainstealerDragonLifeEffect(), filter,
+                false, SetTargetPointer.PERMANENT, null
+        ));
+    }
+
+    private BrainstealerDragon(final BrainstealerDragon card) {
+        super(card);
+    }
+
+    @Override
+    public BrainstealerDragon copy() {
+        return new BrainstealerDragon(this);
+    }
+}
+
+class BrainstealerDragonExileEffect extends OneShotEffect {
+
+    BrainstealerDragonExileEffect() {
+        super(Outcome.Benefit);
+        staticText = "exile the top card of each opponent's library. You may " +
+                "play those cards for as long as they remain exiled. If you cast a spell this way, " +
+                "you may spend mana as though it were mana of any color to cast it";
+    }
+
+    private BrainstealerDragonExileEffect(final BrainstealerDragonExileEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public BrainstealerDragonExileEffect copy() {
+        return new BrainstealerDragonExileEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player player = game.getPlayer(source.getControllerId());
+        if (player == null) {
+            return false;
+        }
+        Cards cards = new CardsImpl();
+        game.getOpponents(source.getControllerId())
+                .stream()
+                .map(game::getPlayer)
+                .filter(Objects::nonNull)
+                .map(Player::getLibrary)
+                .map(library -> library.getFromTop(game))
+                .forEach(cards::add);
+        player.moveCards(cards, Zone.EXILED, source, game);
+        for (Card card : cards.getCards(game)) {
+            CardUtil.makeCardPlayable(
+                    game, source, card, Duration.Custom, true,
+                    source.getControllerId(), null
+            );
+        }
+        return true;
+    }
+}
+
+class BrainstealerDragonLifeEffect extends OneShotEffect {
+
+    BrainstealerDragonLifeEffect() {
+        super(Outcome.Benefit);
+        staticText = "they lose life equal to its mana value";
+    }
+
+    private BrainstealerDragonLifeEffect(final BrainstealerDragonLifeEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public BrainstealerDragonLifeEffect copy() {
+        return new BrainstealerDragonLifeEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Permanent permanent = getTargetPointer().getFirstTargetPermanentOrLKI(game, source);
+        if (permanent == null) {
+            return false;
+        }
+        Player player = game.getPlayer(permanent.getOwnerId());
+        return player != null && player.loseLife(permanent.getManaValue(), game, source, false) > 0;
+    }
+}

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

@@ -92,6 +92,7 @@ public final class CommanderLegendsBattleForBaldursGate extends ExpansionSet {
         cards.add(new SetCardInfo("Bonecrusher Giant", 781, Rarity.RARE, mage.cards.b.BonecrusherGiant.class));
         cards.add(new SetCardInfo("Bothersome Quasit", 674, Rarity.RARE, mage.cards.b.BothersomeQuasit.class));
         cards.add(new SetCardInfo("Bountiful Promenade", 348, Rarity.RARE, mage.cards.b.BountifulPromenade.class));
+        cards.add(new SetCardInfo("Brainstealer Dragon", 670, Rarity.RARE, mage.cards.b.BrainstealerDragon.class));
         cards.add(new SetCardInfo("Bramble Sovereign", 218, Rarity.MYTHIC, mage.cards.b.BrambleSovereign.class));
         cards.add(new SetCardInfo("Brash Taunter", 782, Rarity.RARE, mage.cards.b.BrashTaunter.class));
         cards.add(new SetCardInfo("Breath Weapon", 165, Rarity.COMMON, mage.cards.b.BreathWeapon.class));