Implemented Castle Locthwain

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

@@ -37,7 +37,7 @@ public final class CastleArdenvale extends CardImpl {
         // Castle Ardenvale enters the battlefield tapped unless you control a Plains.
         this.addAbility(new EntersBattlefieldAbility(new ConditionalOneShotEffect(
                 new TapSourceEffect(), condition
-        ), "tapped unless you control an Plains"));
+        ), "tapped unless you control a Plains"));
 
         // {T}: Add {W}.
         this.addAbility(new WhiteManaAbility());

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

@@ -37,7 +37,7 @@ public final class CastleEmbereth extends CardImpl {
         // Castle Embereth enters the battlefield tapped unless you control a Mountain.
         this.addAbility(new EntersBattlefieldAbility(new ConditionalOneShotEffect(
                 new TapSourceEffect(), condition
-        ), "tapped unless you control an Mountain"));
+        ), "tapped unless you control a Mountain"));
 
         // {T}: Add {R}.
         this.addAbility(new RedManaAbility());

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

@@ -40,7 +40,7 @@ public final class CastleGarenbrig extends CardImpl {
         // Castle Garenbrig enters the battlefield tapped unless you control a Forest.
         this.addAbility(new EntersBattlefieldAbility(new ConditionalOneShotEffect(
                 new TapSourceEffect(), condition
-        ), "tapped unless you control an Forest"));
+        ), "tapped unless you control a Forest"));
 
         // {T}: Add {G}.
         this.addAbility(new GreenManaAbility());

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

@@ -0,0 +1,64 @@
+package mage.cards.c;
+
+import mage.abilities.Ability;
+import mage.abilities.common.EntersBattlefieldAbility;
+import mage.abilities.common.SimpleActivatedAbility;
+import mage.abilities.condition.Condition;
+import mage.abilities.condition.common.PermanentsOnTheBattlefieldCondition;
+import mage.abilities.costs.common.TapSourceCost;
+import mage.abilities.costs.mana.ManaCostsImpl;
+import mage.abilities.decorator.ConditionalOneShotEffect;
+import mage.abilities.dynamicvalue.common.CardsInControllerHandCount;
+import mage.abilities.effects.common.DrawCardSourceControllerEffect;
+import mage.abilities.effects.common.LoseLifeSourceControllerEffect;
+import mage.abilities.effects.common.TapSourceEffect;
+import mage.abilities.mana.BlackManaAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.ComparisonType;
+import mage.constants.SubType;
+import mage.filter.FilterPermanent;
+import mage.filter.common.FilterControlledPermanent;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class CastleLocthwain extends CardImpl {
+
+    private static final FilterPermanent filter = new FilterControlledPermanent(SubType.SWAMP);
+    private static final Condition condition
+            = new PermanentsOnTheBattlefieldCondition(filter, ComparisonType.EQUAL_TO, 0);
+
+    public CastleLocthwain(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.LAND}, "");
+
+        // Castle Locthwain enters the battlefield tapped unless you control a Swamp.
+        this.addAbility(new EntersBattlefieldAbility(new ConditionalOneShotEffect(
+                new TapSourceEffect(), condition
+        ), "tapped unless you control a Swamp"));
+
+        // {T}: Add {B}.
+        this.addAbility(new BlackManaAbility());
+
+        // {1}{B}{B}, {T}: Draw a card, then you lose life equal to the number of cards in your hand.
+        Ability ability = new SimpleActivatedAbility(
+                new DrawCardSourceControllerEffect(1).setText("draw a card,"), new ManaCostsImpl("{1}{B}{B}")
+        );
+        ability.addEffect(new LoseLifeSourceControllerEffect(CardsInControllerHandCount.instance)
+                .setText("then you lose life equal to the number of cards in your hand"));
+        ability.addCost(new TapSourceCost());
+        this.addAbility(ability);
+    }
+
+    private CastleLocthwain(final CastleLocthwain card) {
+        super(card);
+    }
+
+    @Override
+    public CastleLocthwain copy() {
+        return new CastleLocthwain(this);
+    }
+}

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

@@ -53,6 +53,7 @@ public final class ThroneOfEldraine extends ExpansionSet {
         cards.add(new SetCardInfo("Castle Ardenvale", 238, Rarity.RARE, mage.cards.c.CastleArdenvale.class));
         cards.add(new SetCardInfo("Castle Embereth", 239, Rarity.RARE, mage.cards.c.CastleEmbereth.class));
         cards.add(new SetCardInfo("Castle Garenbrig", 240, Rarity.RARE, mage.cards.c.CastleGarenbrig.class));
+        cards.add(new SetCardInfo("Castle Locthwain", 241, Rarity.RARE, mage.cards.c.CastleLocthwain.class));
         cards.add(new SetCardInfo("Castle Vantress", 242, Rarity.RARE, mage.cards.c.CastleVantress.class));
         cards.add(new SetCardInfo("Cauldron Familiar", 81, Rarity.UNCOMMON, mage.cards.c.CauldronFamiliar.class));
         cards.add(new SetCardInfo("Charming Prince", 8, Rarity.RARE, mage.cards.c.CharmingPrince.class));