Implemented Liliana's Contract

Mage.Sets/src/mage/cards/l/LilianasContract.java

@@ -0,0 +1,89 @@
+package mage.cards.l;
+
+import java.util.HashSet;
+import java.util.Set;
+import java.util.UUID;
+import mage.abilities.Ability;
+import mage.abilities.common.BeginningOfUpkeepTriggeredAbility;
+import mage.abilities.common.EntersBattlefieldTriggeredAbility;
+import mage.abilities.condition.Condition;
+import mage.abilities.decorator.ConditionalTriggeredAbility;
+import mage.abilities.effects.common.DrawCardSourceControllerEffect;
+import mage.abilities.effects.common.LoseLifeSourceControllerEffect;
+import mage.abilities.effects.common.WinGameSourceControllerEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.SubType;
+import mage.constants.TargetController;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+
+/**
+ *
+ * @author TheElk801
+ */
+public final class LilianasContract extends CardImpl {
+
+    public LilianasContract(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.ENCHANTMENT}, "{3}{B}{B}");
+
+        // When Liliana's Contract enters the battlefield, you draw four cards and you lose 4 life.
+        Ability ability = new EntersBattlefieldTriggeredAbility(
+                new DrawCardSourceControllerEffect(4)
+                        .setText("you draw four cards")
+        );
+        ability.addEffect(
+                new LoseLifeSourceControllerEffect(4)
+                        .setText("and you lose 4 life")
+        );
+        this.addAbility(ability);
+
+        // At the beginning of your upkeep, if you control four or more Demons with different names, you win the game.
+        this.addAbility(new ConditionalTriggeredAbility(
+                new BeginningOfUpkeepTriggeredAbility(
+                        new WinGameSourceControllerEffect(),
+                        TargetController.YOU, false
+                ), LilianasContractCondition.instance,
+                "At the beginning of your upkeep, "
+                + "if you control four or more Demons with different names, "
+                + "you win the game."
+        ));
+    }
+
+    public LilianasContract(final LilianasContract card) {
+        super(card);
+    }
+
+    @Override
+    public LilianasContract copy() {
+        return new LilianasContract(this);
+    }
+}
+
+enum LilianasContractCondition implements Condition {
+
+    instance;
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Set<String> demonNames = new HashSet();
+        for (Permanent permanent : game.getBattlefield().getActivePermanents(source.getControllerId(), game)) {
+            if (permanent == null
+                    || !permanent.getControllerId().equals(source.getControllerId())
+                    || !permanent.hasSubtype(SubType.DEMON, game)) {
+                continue;
+            }
+            demonNames.add(permanent.getName());
+            if (demonNames.size() > 3) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    @Override
+    public String toString() {
+        return "you control four or more Demons with different names";
+    }
+}

Mage.Sets/src/mage/sets/CoreSet2019.java

@@ -129,6 +129,7 @@ public final class CoreSet2019 extends ExpansionSet {
         cards.add(new SetCardInfo("Lich's Caress", 105, Rarity.COMMON, mage.cards.l.LichsCaress.class));
         cards.add(new SetCardInfo("Lightning Mare", 151, Rarity.UNCOMMON, mage.cards.l.LightningMare.class));
         cards.add(new SetCardInfo("Lightning Strike", 152, Rarity.UNCOMMON, mage.cards.l.LightningStrike.class));
+        cards.add(new SetCardInfo("Liliana's Contract", 107, Rarity.RARE, mage.cards.l.LilianasContract.class));
         cards.add(new SetCardInfo("Liliana's Spoils", 294, Rarity.RARE, mage.cards.l.LilianasSpoils.class));
         cards.add(new SetCardInfo("Liliana, the Necromancer", 291, Rarity.MYTHIC, mage.cards.l.LilianaTheNecromancer.class));
         cards.add(new SetCardInfo("Llanowar Elves", 314, Rarity.COMMON, mage.cards.l.LlanowarElves.class));