Implemented Cavalier of Flame

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

@@ -0,0 +1,117 @@
+package mage.cards.c;
+
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.common.DiesTriggeredAbility;
+import mage.abilities.common.EntersBattlefieldTriggeredAbility;
+import mage.abilities.common.SimpleActivatedAbility;
+import mage.abilities.costs.mana.ManaCostsImpl;
+import mage.abilities.dynamicvalue.DynamicValue;
+import mage.abilities.dynamicvalue.common.CardsInControllerGraveyardCount;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.DamageAllEffect;
+import mage.abilities.effects.common.DamagePlayersEffect;
+import mage.abilities.effects.common.continuous.BoostControlledEffect;
+import mage.abilities.effects.common.continuous.GainAbilityControlledEffect;
+import mage.abilities.keyword.HasteAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.*;
+import mage.filter.FilterPermanent;
+import mage.filter.StaticFilters;
+import mage.filter.common.FilterPlaneswalkerPermanent;
+import mage.filter.predicate.permanent.ControllerPredicate;
+import mage.game.Game;
+import mage.players.Player;
+import mage.target.common.TargetCardInHand;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class CavalierOfFlame extends CardImpl {
+
+    private static final DynamicValue xValue = new CardsInControllerGraveyardCount(StaticFilters.FILTER_CARD_LAND);
+    private static final FilterPermanent filter = new FilterPlaneswalkerPermanent();
+
+    static {
+        filter.add(new ControllerPredicate(TargetController.OPPONENT));
+    }
+
+    public CavalierOfFlame(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{2}{R}{R}{R}");
+
+        this.subtype.add(SubType.ELEMENTAL);
+        this.subtype.add(SubType.KNIGHT);
+        this.power = new MageInt(6);
+        this.toughness = new MageInt(5);
+
+        // {1}{R}: Creatures you control get +1/+0 and gain haste until end of turn.
+        Ability ability = new SimpleActivatedAbility(new BoostControlledEffect(
+                1, 0, Duration.EndOfTurn
+        ).setText("Creatures you control get +1/+0"), new ManaCostsImpl("{1}{R}"));
+        ability.addEffect(new GainAbilityControlledEffect(
+                HasteAbility.getInstance(), Duration.EndOfTurn,
+                StaticFilters.FILTER_PERMANENT_CREATURE
+        ).setText("and gain haste until end of turn"));
+        this.addAbility(ability);
+
+        // When Cavalier of Flame enters the battlefield, discard any number of cards, then draw that many cards.
+        this.addAbility(new EntersBattlefieldTriggeredAbility(new CavalierOfFlameEffect()));
+
+        // When Cavalier of Flame dies, it deals X damage to each opponent and each planeswalker they control, where X is the number of land cards in your graveyard.
+        ability = new DiesTriggeredAbility(new DamagePlayersEffect(
+                Outcome.Damage, xValue, TargetController.OPPONENT
+        ).setText("it deals X damage to each opponent"));
+        ability.addEffect(new DamageAllEffect(
+                xValue, filter
+        ).setText("and each planeswalker they control, where X is the number of land cards in your graveyard"));
+        this.addAbility(ability);
+    }
+
+    private CavalierOfFlame(final CavalierOfFlame card) {
+        super(card);
+    }
+
+    @Override
+    public CavalierOfFlame copy() {
+        return new CavalierOfFlame(this);
+    }
+}
+
+class CavalierOfFlameEffect extends OneShotEffect {
+
+    CavalierOfFlameEffect() {
+        super(Outcome.Benefit);
+        staticText = "discard any number of cards, then draw that many cards.";
+    }
+
+    private CavalierOfFlameEffect(final CavalierOfFlameEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public CavalierOfFlameEffect copy() {
+        return new CavalierOfFlameEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player player = game.getPlayer(source.getControllerId());
+        if (player == null) {
+            return false;
+        }
+        TargetCardInHand target = new TargetCardInHand(0, player.getHand().size(), StaticFilters.FILTER_CARD);
+        if (player.choose(outcome, player.getHand(), target, game)) {
+            int counter = target
+                    .getTargets()
+                    .stream()
+                    .map(uuid -> game.getCard(uuid))
+                    .mapToInt(card -> card != null && player.discard(card, source, game) ? 1 : 0)
+                    .sum();
+            player.drawCards(counter, game);
+        }
+        return true;
+    }
+}

Mage.Sets/src/mage/sets/CoreSet2020.java

@@ -62,6 +62,7 @@ public final class CoreSet2020 extends ExpansionSet {
         cards.add(new SetCardInfo("Boneclad Necromancer", 93, Rarity.COMMON, mage.cards.b.BonecladNecromancer.class));
         cards.add(new SetCardInfo("Captivating Gyre", 51, Rarity.UNCOMMON, mage.cards.c.CaptivatingGyre.class));
         cards.add(new SetCardInfo("Cavalier of Dawn", 10, Rarity.MYTHIC, mage.cards.c.CavalierOfDawn.class));
+        cards.add(new SetCardInfo("Cavalier of Flame", 125, Rarity.MYTHIC, mage.cards.c.CavalierOfFlame.class));
         cards.add(new SetCardInfo("Cavalier of Night", 94, Rarity.MYTHIC, mage.cards.c.CavalierOfNight.class));
         cards.add(new SetCardInfo("Cerulean Drake", 53, Rarity.UNCOMMON, mage.cards.c.CeruleanDrake.class));
         cards.add(new SetCardInfo("Chandra's Embercat", 129, Rarity.COMMON, mage.cards.c.ChandrasEmbercat.class));