Implement [M3C] Twins of Discord (#12376)

Mage.Sets/src/mage/cards/t/TwinsOfDiscord.java

@@ -0,0 +1,112 @@
+package mage.cards.t;
+
+import java.util.UUID;
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.Mode;
+import mage.abilities.common.AttacksWithCreaturesTriggeredAbility;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.ChooseModeEffect;
+import mage.abilities.effects.common.combat.CantBlockAllEffect;
+import mage.abilities.effects.common.continuous.CreaturesCantGetOrHaveAbilityEffect;
+import mage.abilities.effects.common.continuous.GainAbilityAllEffect;
+import mage.abilities.keyword.BloodthirstAbility;
+import mage.abilities.keyword.HasteAbility;
+import mage.constants.SubType;
+import mage.constants.Zone;
+import mage.filter.FilterPermanent;
+import mage.filter.StaticFilters;
+import mage.filter.common.FilterControlledCreaturePermanent;
+import mage.filter.common.FilterCreaturePermanent;
+import mage.filter.predicate.mageobject.ColorlessPredicate;
+import mage.filter.predicate.mageobject.ManaValueParityPredicate;
+import mage.game.Game;
+import mage.players.Player;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Duration;
+import mage.constants.Outcome;
+
+/**
+ *
+ * @author grimreap124
+ */
+public final class TwinsOfDiscord extends CardImpl {
+
+    private static final FilterControlledCreaturePermanent colorlessCreatureFilter = new FilterControlledCreaturePermanent("colorless creature you control");
+
+    static {
+        colorlessCreatureFilter.add(ColorlessPredicate.instance);
+    }
+
+    public TwinsOfDiscord(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{7}");
+        
+        this.subtype.add(SubType.ELDRAZI);
+        this.power = new MageInt(8);
+        this.toughness = new MageInt(6);
+
+        // Whenever you attack, choose odd or even. Creatures with mana value of that quality can't block this turn.
+        this.addAbility(new AttacksWithCreaturesTriggeredAbility(new TwinsOfDiscordEffect(), 1));
+        
+        // Each other colorless creature you control has bloodthirst 2.
+        this.addAbility(new SimpleStaticAbility(Zone.BATTLEFIELD, new GainAbilityAllEffect(
+            new BloodthirstAbility(2),
+                Duration.WhileOnBattlefield,
+                colorlessCreatureFilter, true)));
+    }
+
+    private TwinsOfDiscord(final TwinsOfDiscord card) {
+        super(card);
+    }
+
+    @Override
+    public TwinsOfDiscord copy() {
+        return new TwinsOfDiscord(this);
+    }
+}
+
+class TwinsOfDiscordEffect extends OneShotEffect {
+
+    private static final FilterCreaturePermanent evenFilter = new FilterCreaturePermanent();
+    private static final FilterCreaturePermanent oddFilter = new FilterCreaturePermanent();
+
+    static {
+        evenFilter.add(ManaValueParityPredicate.EVEN);
+        oddFilter.add(ManaValueParityPredicate.ODD);
+    }
+
+    TwinsOfDiscordEffect() {
+        super(Outcome.Benefit);
+        staticText = "choose odd or even. Creatures with mana value of that quality can't block this turn.";
+    }
+
+    private TwinsOfDiscordEffect(final TwinsOfDiscordEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public TwinsOfDiscordEffect copy() {
+        return new TwinsOfDiscordEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player player = game.getPlayer(source.getControllerId());
+        if (player == null) {
+            return false;
+        }
+        FilterCreaturePermanent filter = player.chooseUse(
+                outcome, "Odd or even?", null,
+                "Odd", "Even", source, game
+        ) ? oddFilter : evenFilter;
+        if (filter == null) {
+            return false;
+        }
+        
+        game.addEffect(new CantBlockAllEffect(filter, Duration.EndOfTurn), source);
+        return true;
+    }
+}

Mage.Sets/src/mage/sets/ModernHorizons3Commander.java

@@ -290,6 +290,7 @@ public final class ModernHorizons3Commander extends ExpansionSet {
         cards.add(new SetCardInfo("Tranquil Thicket", 398, Rarity.COMMON, mage.cards.t.TranquilThicket.class));
         cards.add(new SetCardInfo("Treasure Cruise", 195, Rarity.COMMON, mage.cards.t.TreasureCruise.class));
         cards.add(new SetCardInfo("Trenchpost", 83, Rarity.RARE, mage.cards.t.Trenchpost.class));
+        cards.add(new SetCardInfo("Twins of Discord", 37, Rarity.RARE, mage.cards.t.TwinsOfDiscord.class));
         cards.add(new SetCardInfo("Ugin's Insight", 196, Rarity.RARE, mage.cards.u.UginsInsight.class));
         cards.add(new SetCardInfo("Ugin, the Ineffable", 160, Rarity.RARE, mage.cards.u.UginTheIneffable.class));
         cards.add(new SetCardInfo("Ulamog's Crusher", 161, Rarity.COMMON, mage.cards.u.UlamogsCrusher.class));