[MKM] Implement Case of the Ransacked Lab (#11724)

Co-authored-by: Matthew Wilson <matthew_w@vaadin.com>

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

@@ -0,0 +1,143 @@
+package mage.cards.c;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.UUID;
+
+import mage.abilities.Ability;
+import mage.abilities.common.CaseAbility;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.common.SpellCastControllerTriggeredAbility;
+import mage.abilities.condition.Condition;
+import mage.abilities.condition.common.SolvedSourceCondition;
+import mage.abilities.decorator.ConditionalTriggeredAbility;
+import mage.abilities.effects.common.DrawCardSourceControllerEffect;
+import mage.abilities.effects.common.cost.SpellsCostReductionControllerEffect;
+import mage.abilities.hint.common.CaseSolvedHint;
+import mage.constants.SubType;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.WatcherScope;
+import mage.filter.FilterCard;
+import mage.filter.StaticFilters;
+import mage.filter.predicate.Predicates;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.game.stack.Spell;
+import mage.watchers.Watcher;
+
+/**
+ *
+ * @author DominionSpy
+ */
+public final class CaseOfTheRansackedLab extends CardImpl {
+
+    private static final FilterCard filter = new FilterCard("Instant and sorcery spells");
+
+    static {
+        filter.add(Predicates.or(
+                CardType.INSTANT.getPredicate(),
+                CardType.SORCERY.getPredicate()
+        ));
+    }
+
+    public CaseOfTheRansackedLab(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.ENCHANTMENT}, "{2}{U}");
+
+        this.subtype.add(SubType.CASE);
+
+        // Instant and sorcery spells you cast cost {1} less to cast.
+        Ability initialAbility = new SimpleStaticAbility(new SpellsCostReductionControllerEffect(filter, 1));
+        // To solve -- You've cast four or more instant and sorcery spells this turn.
+        // Solved -- Whenever you cast an instant or sorcery spell, draw a card.
+        Ability solvedAbility = new ConditionalTriggeredAbility(
+                new SpellCastControllerTriggeredAbility(new DrawCardSourceControllerEffect(1),
+                        StaticFilters.FILTER_SPELL_INSTANT_OR_SORCERY, false),
+                SolvedSourceCondition.SOLVED, "");
+
+        this.addAbility(new CaseAbility(initialAbility, CaseOfTheRansackedLabCondition.instance, solvedAbility)
+                        .addHint(new CaseOfTheRansackedLabHint(CaseOfTheRansackedLabCondition.instance)),
+                new CaseOfTheRansackedLabWatcher());
+    }
+
+    private CaseOfTheRansackedLab(final CaseOfTheRansackedLab card) {
+        super(card);
+    }
+
+    @Override
+    public CaseOfTheRansackedLab copy() {
+        return new CaseOfTheRansackedLab(this);
+    }
+}
+
+class CaseOfTheRansackedLabWatcher extends Watcher {
+
+    private final Map<UUID, Integer> instantSorceryCount = new HashMap<>();
+
+    CaseOfTheRansackedLabWatcher() {
+        super(WatcherScope.GAME);
+    }
+
+    @Override
+    public void watch(GameEvent event, Game game) {
+        if (event.getType() == GameEvent.EventType.SPELL_CAST) {
+            Spell spell = game.getStack().getSpell(event.getTargetId());
+            if (spell == null || !spell.isInstantOrSorcery(game)) {
+                return;
+            }
+            this.instantSorceryCount.putIfAbsent(spell.getControllerId(), 0);
+            this.instantSorceryCount.compute(
+                    spell.getControllerId(), (k, a) -> a + 1
+            );
+        }
+    }
+
+    @Override
+    public void reset() {
+        super.reset();
+        this.instantSorceryCount.clear();
+    }
+
+    int getInstantSorceryCount(UUID playerId) {
+        return this.instantSorceryCount.getOrDefault(playerId, 0);
+    }
+}
+
+enum CaseOfTheRansackedLabCondition implements Condition {
+    instance;
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        CaseOfTheRansackedLabWatcher watcher = game.getState().getWatcher(CaseOfTheRansackedLabWatcher.class);
+        return watcher != null && watcher.getInstantSorceryCount(source.getControllerId()) > 3;
+    }
+
+    @Override
+    public String toString() {
+        return "You've cast four or more instant and sorcery spells this turn";
+    }
+}
+
+class CaseOfTheRansackedLabHint extends CaseSolvedHint {
+
+    CaseOfTheRansackedLabHint(Condition condition) {
+        super(condition);
+    }
+
+    private CaseOfTheRansackedLabHint(final CaseOfTheRansackedLabHint hint) {
+        super(hint);
+    }
+
+    @Override
+    public CaseOfTheRansackedLabHint copy() {
+        return new CaseOfTheRansackedLabHint(this);
+    }
+
+    @Override
+    public String getConditionText(Game game, Ability ability) {
+        int spells = game.getState().getWatcher(CaseOfTheRansackedLabWatcher.class)
+                .getInstantSorceryCount(ability.getControllerId());
+        return "Instant and sorcery spells cast: " + spells + " (need 4).";
+    }
+}

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

@@ -52,6 +52,7 @@ public final class MurdersAtKarlovManor extends ExpansionSet {
         cards.add(new SetCardInfo("Case of the Filched Falcon", 44, Rarity.UNCOMMON, mage.cards.c.CaseOfTheFilchedFalcon.class));
         cards.add(new SetCardInfo("Case of the Gorgon's Kiss", 79, Rarity.UNCOMMON, mage.cards.c.CaseOfTheGorgonsKiss.class));
         cards.add(new SetCardInfo("Case of the Locked Hothouse", 155, Rarity.RARE, mage.cards.c.CaseOfTheLockedHothouse.class));
+        cards.add(new SetCardInfo("Case of the Ransacked Lab", 45, Rarity.RARE, mage.cards.c.CaseOfTheRansackedLab.class));
         cards.add(new SetCardInfo("Caught Red-Handed", 115, Rarity.UNCOMMON, mage.cards.c.CaughtRedHanded.class));
         cards.add(new SetCardInfo("Cease // Desist", 246, Rarity.UNCOMMON, mage.cards.c.CeaseDesist.class));
         cards.add(new SetCardInfo("Cerebral Confiscation", 81, Rarity.COMMON, mage.cards.c.CerebralConfiscation.class));