Implemented Sevinne, the Chronoclasm

Mage.Sets/src/mage/cards/s/SevinneTheChronoclasm.java

@@ -0,0 +1,130 @@
+package mage.cards.s;
+
+import mage.MageInt;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.common.SpellCastControllerTriggeredAbility;
+import mage.abilities.effects.Effect;
+import mage.abilities.effects.common.CopyTargetSpellEffect;
+import mage.abilities.effects.common.PreventAllDamageToSourceEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.*;
+import mage.filter.StaticFilters;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.game.stack.Spell;
+import mage.target.targetpointer.FixedTarget;
+import mage.watchers.Watcher;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class SevinneTheChronoclasm extends CardImpl {
+
+    public SevinneTheChronoclasm(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{2}{U}{R}{W}");
+
+        this.addSuperType(SuperType.LEGENDARY);
+        this.subtype.add(SubType.HUMAN);
+        this.subtype.add(SubType.WIZARD);
+        this.power = new MageInt(2);
+        this.toughness = new MageInt(2);
+
+        // Prevent all damage that would be dealt to Sevinne, the Chronoclasm.
+        this.addAbility(new SimpleStaticAbility(new PreventAllDamageToSourceEffect(Duration.WhileOnBattlefield)));
+
+        // Whenever you cast your first instant or sorcery spell from your graveyard each turn, copy that spell. You may choose new targets for the copy.
+        this.addAbility(new SevinneTheChronoclasmTriggeredAbility(), new SevinneTheChronoclasmWatcher());
+    }
+
+    private SevinneTheChronoclasm(final SevinneTheChronoclasm card) {
+        super(card);
+    }
+
+    @Override
+    public SevinneTheChronoclasm copy() {
+        return new SevinneTheChronoclasm(this);
+    }
+}
+
+class SevinneTheChronoclasmTriggeredAbility extends SpellCastControllerTriggeredAbility {
+
+    SevinneTheChronoclasmTriggeredAbility() {
+        super(Zone.BATTLEFIELD, null, StaticFilters.FILTER_SPELL_INSTANT_OR_SORCERY, false, true);
+    }
+
+    private SevinneTheChronoclasmTriggeredAbility(final SevinneTheChronoclasmTriggeredAbility ability) {
+        super(ability);
+    }
+
+    @Override
+    public boolean checkTrigger(GameEvent event, Game game) {
+        if (!super.checkTrigger(event, game) || event.getZone() != Zone.GRAVEYARD) {
+            return false;
+        }
+        SevinneTheChronoclasmWatcher watcher = game.getState().getWatcher(SevinneTheChronoclasmWatcher.class);
+        if (watcher == null || !watcher.checkFirstSpellThisTurn(this.getControllerId(), event.getTargetId())) {
+            return false;
+        }
+        this.getEffects().clear();
+        Effect effect = new CopyTargetSpellEffect(true);
+        effect.setTargetPointer(new FixedTarget(event.getTargetId(), game));
+        this.addEffect(effect);
+        return true;
+    }
+
+    @Override
+    public String getRule() {
+        return "Whenever you cast your first instant or sorcery spell from your graveyard each turn, " +
+                "copy that spell. You may choose new targets for the copy.";
+    }
+
+    @Override
+    public SevinneTheChronoclasmTriggeredAbility copy() {
+        return new SevinneTheChronoclasmTriggeredAbility(this);
+    }
+}
+
+class SevinneTheChronoclasmWatcher extends Watcher {
+
+    private final Map<UUID, UUID> firstSpellThisTurn = new HashMap<>();
+
+    SevinneTheChronoclasmWatcher() {
+        super(WatcherScope.GAME);
+    }
+
+    private SevinneTheChronoclasmWatcher(final SevinneTheChronoclasmWatcher watcher) {
+        super(watcher);
+        this.firstSpellThisTurn.putAll(watcher.firstSpellThisTurn);
+    }
+
+    @Override
+    public void watch(GameEvent event, Game game) {
+        if (event.getType() != GameEvent.EventType.SPELL_CAST
+                || event.getZone() != Zone.GRAVEYARD) {
+            return;
+        }
+        Spell spell = game.getStack().getSpell(event.getTargetId());
+        if (spell != null && spell.isInstantOrSorcery()) {
+            firstSpellThisTurn.putIfAbsent(event.getPlayerId(), spell.getId());
+        }
+    }
+
+    @Override
+    public void reset() {
+        firstSpellThisTurn.clear();
+    }
+
+    boolean checkFirstSpellThisTurn(UUID playerId, UUID targetId) {
+        return targetId != null && targetId.equals(firstSpellThisTurn.getOrDefault(playerId, null));
+    }
+
+    @Override
+    public Watcher copy() {
+        return new SevinneTheChronoclasmWatcher(this);
+    }
+}

Mage.Sets/src/mage/sets/Commander2019Edition.java

@@ -28,5 +28,6 @@ public final class Commander2019Edition extends ExpansionSet {
         cards.add(new SetCardInfo("Kadena, Slinking Sorcerer", 45, Rarity.MYTHIC, mage.cards.k.KadenaSlinkingSorcerer.class));
         cards.add(new SetCardInfo("Seedborn Muse", 179, Rarity.RARE, mage.cards.s.SeedbornMuse.class));
         cards.add(new SetCardInfo("Sevinne's Reclamation", 5, Rarity.RARE, mage.cards.s.SevinnesReclamation.class));
+        cards.add(new SetCardInfo("Sevinne, the Chronoclasm", 49, Rarity.MYTHIC, mage.cards.s.SevinneTheChronoclasm.class));
     }
 }