[KHM] Niko Aris

Mage.Sets/src/mage/cards/n/NikoAris.java

@@ -0,0 +1,180 @@
+package mage.cards.n;
+
+import mage.abilities.Ability;
+import mage.abilities.DelayedTriggeredAbility;
+import mage.abilities.LoyaltyAbility;
+import mage.abilities.common.EntersBattlefieldTriggeredAbility;
+import mage.abilities.common.PlaneswalkerEntersWithLoyaltyCountersAbility;
+import mage.abilities.dynamicvalue.DynamicValue;
+import mage.abilities.dynamicvalue.MultipliedValue;
+import mage.abilities.dynamicvalue.common.CardsDrawnThisTurnDynamicValue;
+import mage.abilities.effects.Effect;
+import mage.abilities.effects.common.CreateDelayedTriggeredAbilityEffect;
+import mage.abilities.effects.common.CreateTokenEffect;
+import mage.abilities.effects.common.DamageTargetEffect;
+import mage.abilities.effects.common.ReturnToHandTargetEffect;
+import mage.abilities.effects.common.combat.CantBeBlockedTargetEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.*;
+import mage.filter.FilterPermanent;
+import mage.filter.common.FilterCreaturePermanent;
+import mage.filter.predicate.permanent.TappedPredicate;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.game.permanent.token.ShardToken;
+import mage.game.stack.Spell;
+import mage.target.TargetPermanent;
+import mage.target.common.TargetControlledCreaturePermanent;
+import mage.watchers.Watcher;
+import mage.watchers.common.CardsDrawnThisTurnWatcher;
+
+import java.util.Objects;
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class NikoAris extends CardImpl {
+
+    private static final FilterPermanent filter = new FilterCreaturePermanent("tapped creature");
+
+    static {
+        filter.add(TappedPredicate.instance);
+    }
+
+    private static final DynamicValue xValue = new MultipliedValue(CardsDrawnThisTurnDynamicValue.instance, 2);
+
+    public NikoAris(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.PLANESWALKER}, "{X}{W}{U}{U}");
+
+        this.addSuperType(SuperType.LEGENDARY);
+        this.subtype.add(SubType.NIKO);
+        this.addAbility(new PlaneswalkerEntersWithLoyaltyCountersAbility(3));
+
+        // When Niko Aris enters the battlefield, create X Shard tokens.
+        this.addAbility(new EntersBattlefieldTriggeredAbility(
+                new CreateTokenEffect(new ShardToken(), NikoArisValue.instance)
+        ), new NikoArisWatcher());
+
+        // +1: Up to one target creature you control can't be blocked this turn. Whenever that creature deals damage this turn, return it to its owner's hand.
+        Ability ability = new LoyaltyAbility(new CantBeBlockedTargetEffect(Duration.EndOfTurn), 1);
+        ability.addEffect(new CreateDelayedTriggeredAbilityEffect(new NikoArisDamageTriggeredAbility()));
+        ability.addTarget(new TargetControlledCreaturePermanent(0, 1));
+        this.addAbility(ability);
+
+        // −1: Niko Aris deals 2 damage to target tapped creature for each card you've drawn this turn.
+        ability = new LoyaltyAbility(new DamageTargetEffect(xValue).setText(
+                "{this} deals 2 damage to target tapped creature for each card you've drawn this turn"
+        ), -1);
+        ability.addTarget(new TargetPermanent(filter));
+        this.addAbility(ability, new CardsDrawnThisTurnWatcher());
+
+        // −1: Create a Shard token.
+        this.addAbility(new LoyaltyAbility(new CreateTokenEffect(new ShardToken()), -1));
+    }
+
+    private NikoAris(final NikoAris card) {
+        super(card);
+    }
+
+    @Override
+    public NikoAris copy() {
+        return new NikoAris(this);
+    }
+}
+
+enum NikoArisValue implements DynamicValue {
+    instance;
+
+    @Override
+    public int calculate(Game game, Ability sourceAbility, Effect effect) {
+        NikoArisWatcher watcher = game.getState().getWatcher(NikoArisWatcher.class, sourceAbility.getSourceId());
+        if (watcher == null) {
+            return 0;
+        }
+        if (game.getState().getValue(sourceAbility.getSourceId().toString() + "xValue") == null) {
+            return 0;
+        }
+        return (Integer) game.getState().getValue(sourceAbility.getSourceId().toString() + "xValue");
+    }
+
+    @Override
+    public DynamicValue copy() {
+        return instance;
+    }
+
+    @Override
+    public String toString() {
+        return "X";
+    }
+
+    @Override
+    public String getMessage() {
+        return "";
+    }
+}
+
+class NikoArisWatcher extends Watcher {
+
+    NikoArisWatcher() {
+        super(WatcherScope.CARD);
+    }
+
+    @Override
+    public void watch(GameEvent event, Game game) {
+        if (event.getType() != GameEvent.EventType.SPELL_CAST) {
+            return;
+        }
+        Spell spell = game.getSpellOrLKIStack(event.getTargetId());
+        if (spell == null || spell.getSourceId() != super.getSourceId()) {
+            return;
+        }
+        game.getState().setValue(
+                spell.getSourceId().toString() + "xValue",
+                spell.getSpellAbility().getManaCostsToPay().getX()
+        );
+    }
+}
+
+class NikoArisDamageTriggeredAbility extends DelayedTriggeredAbility {
+
+    NikoArisDamageTriggeredAbility() {
+        super(new ReturnToHandTargetEffect(), Duration.EndOfTurn, false);
+    }
+
+    private NikoArisDamageTriggeredAbility(final NikoArisDamageTriggeredAbility ability) {
+        super(ability);
+    }
+
+    @Override
+    public NikoArisDamageTriggeredAbility copy() {
+        return new NikoArisDamageTriggeredAbility(this);
+    }
+
+    @Override
+    public boolean checkEventType(GameEvent event, Game game) {
+        switch (event.getType()) {
+            case DAMAGED_PLAYER:
+            case DAMAGED_CREATURE:
+            case DAMAGED_PLANESWALKER:
+                return true;
+        }
+        return false;
+    }
+
+    @Override
+    public boolean checkTrigger(GameEvent event, Game game) {
+        return this.getEffects()
+                .stream()
+                .filter(Objects::nonNull)
+                .map(Effect::getTargetPointer)
+                .map(targetPointer -> targetPointer.getFirst(game, this))
+                .anyMatch(event.getSourceId()::equals);
+    }
+
+    @Override
+    public String getRule() {
+        return "Whenever that creature deals damage this turn, return it to its owner's hand.";
+    }
+}

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

@@ -91,6 +91,7 @@ public final class Kaldheim extends ExpansionSet {
         cards.add(new SetCardInfo("Koma's Faithful", 102, Rarity.COMMON, mage.cards.k.KomasFaithful.class));
         cards.add(new SetCardInfo("Magda, Brazen Outlaw", 142, Rarity.RARE, mage.cards.m.MagdaBrazenOutlaw.class));
         cards.add(new SetCardInfo("Masked Vandal", 184, Rarity.COMMON, mage.cards.m.MaskedVandal.class));
+        cards.add(new SetCardInfo("Niko Aris", 225, Rarity.MYTHIC, mage.cards.n.NikoAris.class));
         cards.add(new SetCardInfo("Pyre of Heroes", 241, Rarity.RARE, mage.cards.p.PyreOfHeroes.class));
         cards.add(new SetCardInfo("Rampage of the Valkyries", 393, Rarity.UNCOMMON, mage.cards.r.RampageOfTheValkyries.class));
         cards.add(new SetCardInfo("Ravenform", 72, Rarity.COMMON, mage.cards.r.Ravenform.class));

Mage/src/main/java/mage/constants/SubType.java

@@ -33,6 +33,7 @@ public enum SubType {
     CARTOUCHE("Cartouche", SubTypeSet.EnchantmentType),
     CURSE("Curse", SubTypeSet.EnchantmentType),
     SAGA("Saga", SubTypeSet.EnchantmentType),
+    SHARD("Shard", SubTypeSet.EnchantmentType),
     SHRINE("Shrine", SubTypeSet.EnchantmentType),
     // 205.3g: Artifacts have their own unique set of subtypes; these subtypes are called artifact types.
     CLUE("Clue", SubTypeSet.ArtifactType),
@@ -415,6 +416,7 @@ public enum SubType {
     LUKKA("Lukka", SubTypeSet.PlaneswalkerType),
     NAHIRI("Nahiri", SubTypeSet.PlaneswalkerType),
     NARSET("Narset", SubTypeSet.PlaneswalkerType),
+    NIKO("Niko", SubTypeSet.PlaneswalkerType),
     NISSA("Nissa", SubTypeSet.PlaneswalkerType),
     NIXILIS("Nixilis", SubTypeSet.PlaneswalkerType),
     OBI_WAN("Obi-Wan", SubTypeSet.PlaneswalkerType, true), // Star Wars

Mage/src/main/java/mage/game/permanent/token/ShardToken.java

@@ -0,0 +1,39 @@
+package mage.game.permanent.token;
+
+import mage.abilities.Ability;
+import mage.abilities.common.SimpleActivatedAbility;
+import mage.abilities.costs.common.SacrificeSourceCost;
+import mage.abilities.costs.mana.GenericManaCost;
+import mage.abilities.effects.common.DrawCardSourceControllerEffect;
+import mage.abilities.effects.keyword.ScryEffect;
+import mage.constants.CardType;
+import mage.constants.SubType;
+
+/**
+ * @author TheElk801
+ */
+
+public final class ShardToken extends TokenImpl {
+
+    public ShardToken() {
+        super("Shard", "Shard token");
+        cardType.add(CardType.ENCHANTMENT);
+        subtype.add(SubType.SHARD);
+
+        // {2}, Sacrifice this enchantment: Scry 1, then draw a card.
+        Ability ability = new SimpleActivatedAbility(new ScryEffect(1), new GenericManaCost(2));
+        ability.addEffect(new DrawCardSourceControllerEffect(1).concatBy(", then"));
+        SacrificeSourceCost cost = new SacrificeSourceCost();
+        cost.setText("Sacrifice this enchantment");
+        ability.addCost(cost);
+        this.addAbility(ability);
+    }
+
+    public ShardToken(final ShardToken token) {
+        super(token);
+    }
+
+    public ShardToken copy() {
+        return new ShardToken(this);
+    }
+}