Implemented Infernal Harvest

Mage.Sets/src/mage/cards/i/InfernalHarvest.java

@@ -0,0 +1,127 @@
+package mage.cards.i;
+
+import mage.abilities.Ability;
+import mage.abilities.costs.Cost;
+import mage.abilities.costs.CostImpl;
+import mage.abilities.costs.VariableCostImpl;
+import mage.abilities.dynamicvalue.common.GetXValue;
+import mage.abilities.effects.common.DamageMultiEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Outcome;
+import mage.constants.SubType;
+import mage.constants.Zone;
+import mage.filter.common.FilterControlledPermanent;
+import mage.game.Game;
+import mage.players.Player;
+import mage.target.Target;
+import mage.target.common.TargetControlledPermanent;
+import mage.target.common.TargetCreaturePermanentAmount;
+
+import java.util.Collection;
+import java.util.Objects;
+import java.util.UUID;
+import java.util.stream.Collectors;
+
+/**
+ * @author TheElk801
+ */
+public final class InfernalHarvest extends CardImpl {
+
+    public InfernalHarvest(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.SORCERY}, "{1}{B}");
+
+        // As an additional cost to cast Infernal Harvest, return X Swamps you control to their owner's hand.
+        this.getSpellAbility().addCost(new InfernalHarvestVariableCost());
+
+        // Infernal Harvest deals X damage divided as you choose among any number of target creatures.
+        this.getSpellAbility().addEffect(new DamageMultiEffect(GetXValue.instance));
+        this.getSpellAbility().addTarget(new TargetCreaturePermanentAmount(GetXValue.instance));
+    }
+
+    private InfernalHarvest(final InfernalHarvest card) {
+        super(card);
+    }
+
+    @Override
+    public InfernalHarvest copy() {
+        return new InfernalHarvest(this);
+    }
+}
+
+class InfernalHarvestVariableCost extends VariableCostImpl {
+
+    private static final FilterControlledPermanent filter = new FilterControlledPermanent(SubType.SWAMP);
+
+    InfernalHarvestVariableCost() {
+        super("Swamps to return");
+        this.text = "return " + xText + " Swamps you control to their owner's hand";
+    }
+
+    private InfernalHarvestVariableCost(final InfernalHarvestVariableCost cost) {
+        super(cost);
+    }
+
+    @Override
+    public InfernalHarvestVariableCost copy() {
+        return new InfernalHarvestVariableCost(this);
+    }
+
+    @Override
+    public int getMaxValue(Ability source, Game game) {
+        return game.getBattlefield().countAll(filter, source.getControllerId(), game);
+    }
+
+    @Override
+    public Cost getFixedCostsFromAnnouncedValue(int xValue) {
+        return new InfernalHarvestCost(xValue);
+    }
+
+    private static final class InfernalHarvestCost extends CostImpl {
+
+        private final int xValue;
+
+        private InfernalHarvestCost(int xValue) {
+            super();
+            this.xValue = xValue;
+            this.text = "return " + xValue + " Swamps you control to their owner's hand";
+            this.addTarget(new TargetControlledPermanent(xValue, xValue, filter, true));
+        }
+
+        private InfernalHarvestCost(final InfernalHarvestCost cost) {
+            super(cost);
+            this.xValue = cost.xValue;
+        }
+
+        @Override
+        public boolean canPay(Ability ability, UUID sourceId, UUID controllerId, Game game) {
+            return game.getBattlefield().countAll(filter, controllerId, game) >= xValue;
+        }
+
+        @Override
+        public boolean pay(Ability ability, Game game, UUID sourceId, UUID controllerId, boolean noMana, Cost costToPay) {
+            if (!this.canPay(ability, sourceId, controllerId, game)) {
+                return false;
+            }
+            Player player = game.getPlayer(controllerId);
+            if (player == null || !targets.choose(Outcome.ReturnToHand, controllerId, sourceId, game)) {
+                return false;
+            }
+            return paid = player.moveCards(
+                    targets.stream()
+                            .map(Target::getTargets)
+                            .flatMap(Collection::stream)
+                            .map(game::getCard)
+                            .filter(Objects::nonNull)
+                            .collect(Collectors.toSet()),
+                    Zone.HAND, ability, game
+            );
+        }
+
+        @Override
+        public Cost copy() {
+            return new InfernalHarvestCost(this);
+        }
+    }
+}

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

@@ -86,6 +86,7 @@ public final class Visions extends ExpansionSet {
         cards.add(new SetCardInfo("Hulking Cyclops", 84, Rarity.UNCOMMON, mage.cards.h.HulkingCyclops.class));
         cards.add(new SetCardInfo("Impulse", 34, Rarity.COMMON, mage.cards.i.Impulse.class));
         cards.add(new SetCardInfo("Infantry Veteran", 9, Rarity.COMMON, mage.cards.i.InfantryVeteran.class));
+        cards.add(new SetCardInfo("Infernal Harvest", 62, Rarity.COMMON, mage.cards.i.InfernalHarvest.class));
         cards.add(new SetCardInfo("Inspiration", 35, Rarity.COMMON, mage.cards.i.Inspiration.class));
         cards.add(new SetCardInfo("Iron-Heart Chimera", 146, Rarity.UNCOMMON, mage.cards.i.IronHeartChimera.class));
         cards.add(new SetCardInfo("Jamuraan Lion", 10, Rarity.COMMON, mage.cards.j.JamuraanLion.class));