Implemented Emry, Lurker of the Loch

Mage.Sets/src/mage/cards/e/EmryLurkerOfTheLoch.java

@@ -0,0 +1,129 @@
+package mage.cards.e;
+
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.SpellAbility;
+import mage.abilities.common.EntersBattlefieldTriggeredAbility;
+import mage.abilities.common.SimpleActivatedAbility;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.costs.common.TapSourceCost;
+import mage.abilities.effects.AsThoughEffectImpl;
+import mage.abilities.effects.common.PutTopCardOfLibraryIntoGraveControllerEffect;
+import mage.abilities.effects.common.cost.CostModificationEffectImpl;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.*;
+import mage.filter.StaticFilters;
+import mage.game.Game;
+import mage.target.common.TargetCardInYourGraveyard;
+import mage.util.CardUtil;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class EmryLurkerOfTheLoch extends CardImpl {
+
+    public EmryLurkerOfTheLoch(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{2}{U}");
+
+        this.addSuperType(SuperType.LEGENDARY);
+        this.subtype.add(SubType.MERFOLK);
+        this.subtype.add(SubType.WIZARD);
+        this.power = new MageInt(1);
+        this.toughness = new MageInt(2);
+
+        // This spell costs {1} less to cast for each artifact you control.
+        this.addAbility(new SimpleStaticAbility(Zone.STACK, new EmryLurkerOfTheLochCostReductionEffect()));
+
+        // When Emry, Lurker of the Loch enters the battlefield, put the top four cards of your library into your graveyard.
+        this.addAbility(new EntersBattlefieldTriggeredAbility(
+                new PutTopCardOfLibraryIntoGraveControllerEffect(4)
+        ));
+
+        // {T}: Choose target artifact card in your graveyard. You may cast that card this turn.
+        Ability ability = new SimpleActivatedAbility(new EmryLurkerOfTheLochPlayEffect(), new TapSourceCost());
+        ability.addTarget(new TargetCardInYourGraveyard(StaticFilters.FILTER_CARD_ARTIFACT));
+        this.addAbility(ability);
+    }
+
+    private EmryLurkerOfTheLoch(final EmryLurkerOfTheLoch card) {
+        super(card);
+    }
+
+    @Override
+    public EmryLurkerOfTheLoch copy() {
+        return new EmryLurkerOfTheLoch(this);
+    }
+}
+
+class EmryLurkerOfTheLochCostReductionEffect extends CostModificationEffectImpl {
+
+    EmryLurkerOfTheLochCostReductionEffect() {
+        super(Duration.WhileOnStack, Outcome.Benefit, CostModificationType.REDUCE_COST);
+        staticText = "This spell costs {1} less to cast for each artifact you control";
+    }
+
+    private EmryLurkerOfTheLochCostReductionEffect(final EmryLurkerOfTheLochCostReductionEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source, Ability abilityToModify) {
+        int reductionAmount = game.getBattlefield().count(
+                StaticFilters.FILTER_CONTROLLED_PERMANENT_ARTIFACT,
+                source.getSourceId(), source.getControllerId(), game
+        );
+        CardUtil.reduceCost(abilityToModify, reductionAmount);
+        return true;
+    }
+
+    @Override
+    public boolean applies(Ability abilityToModify, Ability source, Game game) {
+        return abilityToModify instanceof SpellAbility
+                && abilityToModify.getSourceId().equals(source.getSourceId())
+                && game.getCard(abilityToModify.getSourceId()) != null;
+    }
+
+    @Override
+    public EmryLurkerOfTheLochCostReductionEffect copy() {
+        return new EmryLurkerOfTheLochCostReductionEffect(this);
+    }
+}
+
+class EmryLurkerOfTheLochPlayEffect extends AsThoughEffectImpl {
+
+    EmryLurkerOfTheLochPlayEffect() {
+        super(AsThoughEffectType.PLAY_FROM_NOT_OWN_HAND_ZONE, Duration.EndOfTurn, Outcome.Benefit);
+        staticText = "Choose target artifact card in your graveyard. You may cast that card this turn.";
+    }
+
+    private EmryLurkerOfTheLochPlayEffect(final EmryLurkerOfTheLochPlayEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        return true;
+    }
+
+    @Override
+    public EmryLurkerOfTheLochPlayEffect copy() {
+        return new EmryLurkerOfTheLochPlayEffect(this);
+    }
+
+    @Override
+    public boolean applies(UUID objectId, Ability source, UUID affectedControllerId, Game game) {
+        UUID targetId = getTargetPointer().getFirst(game, source);
+        if (targetId != null) {
+            return targetId.equals(objectId)
+                    && source.isControlledBy(affectedControllerId)
+                    && Zone.GRAVEYARD == game.getState().getZone(objectId);
+        } else {
+            // the target card has changed zone meanwhile, so the effect is no longer needed
+            discard();
+            return false;
+        }
+    }
+}

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

@@ -54,6 +54,7 @@ public final class ThroneOfEldraine extends ExpansionSet {
         cards.add(new SetCardInfo("Embereth Paladin", 121, Rarity.COMMON, mage.cards.e.EmberethPaladin.class));
         cards.add(new SetCardInfo("Embereth Shieldbreaker", 122, Rarity.UNCOMMON, mage.cards.e.EmberethShieldbreaker.class));
         cards.add(new SetCardInfo("Embereth Skyblazer", 321, Rarity.RARE, mage.cards.e.EmberethSkyblazer.class));
+        cards.add(new SetCardInfo("Emry, Lurker of the Loch", 43, Rarity.RARE, mage.cards.e.EmryLurkerOfTheLoch.class));
         cards.add(new SetCardInfo("Enchanted Carriage", 218, Rarity.UNCOMMON, mage.cards.e.EnchantedCarriage.class));
         cards.add(new SetCardInfo("Eye Collector", 86, Rarity.COMMON, mage.cards.e.EyeCollector.class));
         cards.add(new SetCardInfo("Faerie Formation", 316, Rarity.RARE, mage.cards.f.FaerieFormation.class));