Implemented Vivien, Monsters' Advocate

Mage.Sets/src/mage/cards/v/VivienMonstersAdvocate.java

@@ -0,0 +1,204 @@
+package mage.cards.v;
+
+import mage.abilities.Ability;
+import mage.abilities.DelayedTriggeredAbility;
+import mage.abilities.LoyaltyAbility;
+import mage.abilities.common.PlaneswalkerEntersWithLoyaltyCountersAbility;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.effects.AsThoughEffectImpl;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.CreateDelayedTriggeredAbilityEffect;
+import mage.abilities.effects.common.continuous.LookAtTopCardOfLibraryAnyTimeEffect;
+import mage.abilities.effects.common.search.SearchLibraryPutInPlayEffect;
+import mage.cards.Card;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.choices.Choice;
+import mage.choices.ChoiceImpl;
+import mage.constants.*;
+import mage.counters.CounterType;
+import mage.filter.FilterCard;
+import mage.filter.common.FilterCreatureCard;
+import mage.filter.predicate.mageobject.ConvertedManaCostPredicate;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.game.permanent.Permanent;
+import mage.game.permanent.token.BeastToken;
+import mage.game.permanent.token.Token;
+import mage.game.stack.Spell;
+import mage.players.Player;
+import mage.target.common.TargetCardInLibrary;
+
+import java.util.Arrays;
+import java.util.Set;
+import java.util.UUID;
+import java.util.stream.Collectors;
+
+import static mage.constants.Outcome.Benefit;
+
+/**
+ * @author TheElk801
+ */
+public final class VivienMonstersAdvocate extends CardImpl {
+
+    public VivienMonstersAdvocate(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.PLANESWALKER}, "{3}{G}{G}");
+
+        this.addSuperType(SuperType.LEGENDARY);
+        this.subtype.add(SubType.VIVIEN);
+        this.addAbility(new PlaneswalkerEntersWithLoyaltyCountersAbility(3));
+
+        // You may look at the top card of your library any time.
+        this.addAbility(new SimpleStaticAbility(new LookAtTopCardOfLibraryAnyTimeEffect()));
+
+        // You may cast creature spells from the top of your library.
+        this.addAbility(new SimpleStaticAbility(new VivienMonstersAdvocateTopCardCastEffect()));
+
+        // +1: Create a 3/3 green Beast creature token. Put your choice of a vigilance counter, a reach counter, or a trample counter on it.
+        this.addAbility(new LoyaltyAbility(new VivienMonstersAdvocateTokenEffect(), 1));
+
+        // −2: When you cast your next creature spell this turn, search your library for a creature card with lesser converted mana cost, put it onto the battlefield, then shuffle your library.
+        this.addAbility(new LoyaltyAbility(
+                new CreateDelayedTriggeredAbilityEffect(new VivienMonstersAdvocateTriggeredAbility()), -2
+        ));
+    }
+
+    private VivienMonstersAdvocate(final VivienMonstersAdvocate card) {
+        super(card);
+    }
+
+    @Override
+    public VivienMonstersAdvocate copy() {
+        return new VivienMonstersAdvocate(this);
+    }
+}
+
+class VivienMonstersAdvocateTopCardCastEffect extends AsThoughEffectImpl {
+
+    VivienMonstersAdvocateTopCardCastEffect() {
+        super(AsThoughEffectType.PLAY_FROM_NOT_OWN_HAND_ZONE, Duration.WhileOnBattlefield, Benefit);
+        staticText = "You may cast creature spells from the top of your library";
+    }
+
+    private VivienMonstersAdvocateTopCardCastEffect(final VivienMonstersAdvocateTopCardCastEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        return true;
+    }
+
+    @Override
+    public VivienMonstersAdvocateTopCardCastEffect copy() {
+        return new VivienMonstersAdvocateTopCardCastEffect(this);
+    }
+
+    @Override
+    public boolean applies(UUID objectId, Ability source, UUID affectedControllerId, Game game) {
+        if (!affectedControllerId.equals(source.getControllerId())) {
+            return false;
+        }
+        Card card = game.getCard(objectId);
+        if (card == null) {
+            return false;
+        }
+        Player controller = game.getPlayer(affectedControllerId);
+        if (controller == null) {
+            return false;
+        }
+        Card topCard = controller.getLibrary().getFromTop(game);
+        return topCard != null
+                && topCard == card
+                && topCard.isCreature()
+                && topCard.getSpellAbility() != null
+                && topCard.getSpellAbility().spellCanBeActivatedRegularlyNow(controller.getId(), game);
+    }
+}
+
+class VivienMonstersAdvocateTokenEffect extends OneShotEffect {
+
+    private static final Token token = new BeastToken();
+    private static final Set<String> choices
+            = Arrays.asList("Vigilance", "Reach", "Trample").stream().collect(Collectors.toSet());
+
+    VivienMonstersAdvocateTokenEffect() {
+        super(Outcome.Benefit);
+        staticText = "Create a 3/3 green Beast creature token. Put your choice of a vigilance counter, " +
+                "a reach counter, or a trample counter on it.";
+    }
+
+    private VivienMonstersAdvocateTokenEffect(final VivienMonstersAdvocateTokenEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public VivienMonstersAdvocateTokenEffect copy() {
+        return new VivienMonstersAdvocateTokenEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player player = game.getPlayer(source.getControllerId());
+        if (player == null) {
+            return false;
+        }
+        token.putOntoBattlefield(1, game, source.getSourceId(), source.getControllerId());
+        for (UUID tokenId : token.getLastAddedTokenIds()) {
+            Permanent permanent = game.getPermanent(tokenId);
+            if (permanent == null) {
+                continue;
+            }
+            Choice choice = new ChoiceImpl();
+            choice.setChoices(choices);
+            player.choose(outcome, choice, game);
+            String chosen = choice.getChoice();
+            if (chosen != null) {
+                permanent.addCounters(CounterType.findByName(chosen.toLowerCase()).createInstance(), source, game);
+            }
+        }
+        return true;
+    }
+}
+
+class VivienMonstersAdvocateTriggeredAbility extends DelayedTriggeredAbility {
+
+    VivienMonstersAdvocateTriggeredAbility() {
+        super(null, Duration.EndOfTurn, true, false);
+    }
+
+    private VivienMonstersAdvocateTriggeredAbility(final VivienMonstersAdvocateTriggeredAbility ability) {
+        super(ability);
+    }
+
+    @Override
+    public boolean checkEventType(GameEvent event, Game game) {
+        return event.getType() == GameEvent.EventType.SPELL_CAST;
+    }
+
+    @Override
+    public boolean checkTrigger(GameEvent event, Game game) {
+        Spell spell = game.getSpell(event.getTargetId());
+        if (spell == null) {
+            return false;
+        }
+        int cmc = spell.getConvertedManaCost();
+        FilterCard filter = new FilterCreatureCard("creature card with converted mana cost less than " + cmc);
+        filter.add(new ConvertedManaCostPredicate(ComparisonType.FEWER_THAN, cmc));
+        this.getEffects().clear();
+        this.getEffects().add(new SearchLibraryPutInPlayEffect(new TargetCardInLibrary(filter)));
+        return true;
+    }
+
+    @Override
+    public DelayedTriggeredAbility copy() {
+        return new VivienMonstersAdvocateTriggeredAbility(this);
+    }
+
+    @Override
+    public String getRule() {
+        return "When you cast your next creature spell this turn, " +
+                "search your library for a creature card with lesser converted mana cost, " +
+                "put it onto the battlefield, then shuffle your library.";
+    }
+}

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

@@ -298,6 +298,7 @@ public final class IkoriaLairOfBehemoths extends ExpansionSet {
         cards.add(new SetCardInfo("Unexpected Fangs", 102, Rarity.COMMON, mage.cards.u.UnexpectedFangs.class));
         cards.add(new SetCardInfo("Unlikely Aid", 103, Rarity.COMMON, mage.cards.u.UnlikelyAid.class));
         cards.add(new SetCardInfo("Vadrok, Apex of Thunder", 214, Rarity.MYTHIC, mage.cards.v.VadrokApexOfThunder.class));
+        cards.add(new SetCardInfo("Vivien, Monsters' Advocate", 175, Rarity.MYTHIC, mage.cards.v.VivienMonstersAdvocate.class));
         cards.add(new SetCardInfo("Void Beckoner", 104, Rarity.UNCOMMON, mage.cards.v.VoidBeckoner.class));
         cards.add(new SetCardInfo("Voracious Greatshark", 70, Rarity.RARE, mage.cards.v.VoraciousGreatshark.class));
         cards.add(new SetCardInfo("Vulpikeet", 37, Rarity.COMMON, mage.cards.v.Vulpikeet.class));