[KHM] Implemented Dragonkin Berserker

Mage.Sets/src/mage/cards/d/DragonkinBerserker.java

@@ -0,0 +1,85 @@
+package mage.cards.d;
+
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.effects.common.CreateTokenEffect;
+import mage.abilities.effects.common.cost.CostModificationEffectImpl;
+import mage.abilities.keyword.BoastAbility;
+import mage.abilities.keyword.FirstStrikeAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.*;
+import mage.filter.FilterPermanent;
+import mage.filter.common.FilterControlledPermanent;
+import mage.game.Game;
+import mage.game.permanent.token.DragonToken2;
+import mage.util.CardUtil;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class DragonkinBerserker extends CardImpl {
+
+    public DragonkinBerserker(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{1}{R}");
+
+        this.subtype.add(SubType.HUMAN);
+        this.subtype.add(SubType.BERSERKER);
+        this.power = new MageInt(2);
+        this.toughness = new MageInt(2);
+
+        // First strike
+        this.addAbility(FirstStrikeAbility.getInstance());
+
+        // Boast abilities you activate cost {1} less to activate for each Dragon you control.
+        this.addAbility(new SimpleStaticAbility(new DragonkinBerserkerEffect()));
+
+        // Boast — {4}{R}: Create a 5/5 red Dragon creature token with flying.
+        this.addAbility(new BoastAbility(new CreateTokenEffect(new DragonToken2()), "{4}{R}"));
+    }
+
+    private DragonkinBerserker(final DragonkinBerserker card) {
+        super(card);
+    }
+
+    @Override
+    public DragonkinBerserker copy() {
+        return new DragonkinBerserker(this);
+    }
+}
+
+class DragonkinBerserkerEffect extends CostModificationEffectImpl {
+
+    private static final FilterPermanent filter = new FilterControlledPermanent(SubType.DRAGON);
+
+    DragonkinBerserkerEffect() {
+        super(Duration.WhileOnBattlefield, Outcome.Benefit, CostModificationType.REDUCE_COST);
+        staticText = "boast abilities you activate cost {1} less to activate for each Dragon you control";
+    }
+
+    private DragonkinBerserkerEffect(DragonkinBerserkerEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public DragonkinBerserkerEffect copy() {
+        return new DragonkinBerserkerEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source, Ability abilityToModify) {
+        CardUtil.reduceCost(abilityToModify, game.getBattlefield().count(
+                filter, source.getSourceId(), source.getControllerId(), game
+        ));
+        return true;
+    }
+
+    @Override
+    public boolean applies(Ability abilityToModify, Ability source, Game game) {
+        return abilityToModify.isControlledBy(source.getControllerId())
+                && abilityToModify instanceof BoastAbility;
+    }
+}

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

@@ -132,6 +132,7 @@ public final class Kaldheim extends ExpansionSet {
         cards.add(new SetCardInfo("Doomskar Oracle", 10, Rarity.COMMON, mage.cards.d.DoomskarOracle.class));
         cards.add(new SetCardInfo("Doomskar Titan", 130, Rarity.UNCOMMON, mage.cards.d.DoomskarTitan.class));
         cards.add(new SetCardInfo("Doomskar", 9, Rarity.RARE, mage.cards.d.Doomskar.class));
+        cards.add(new SetCardInfo("Dragonkin Berserker", 131, Rarity.RARE, mage.cards.d.DragonkinBerserker.class));
         cards.add(new SetCardInfo("Draugr Thought-Thief", 55, Rarity.COMMON, mage.cards.d.DraugrThoughtThief.class));
         cards.add(new SetCardInfo("Draugr's Helm", 88, Rarity.UNCOMMON, mage.cards.d.DraugrsHelm.class));
         cards.add(new SetCardInfo("Dread Rider", 89, Rarity.COMMON, mage.cards.d.DreadRider.class));