Implemented Energy Vortex

Mage.Sets/src/mage/cards/e/EnergyVortex.java

@@ -0,0 +1,111 @@
+package mage.cards.e;
+
+import mage.abilities.Ability;
+import mage.abilities.common.ActivateIfConditionActivatedAbility;
+import mage.abilities.common.AsEntersBattlefieldAbility;
+import mage.abilities.common.BeginningOfUpkeepTriggeredAbility;
+import mage.abilities.condition.Condition;
+import mage.abilities.condition.common.IsStepCondition;
+import mage.abilities.costs.Cost;
+import mage.abilities.costs.mana.GenericManaCost;
+import mage.abilities.costs.mana.ManaCostsImpl;
+import mage.abilities.decorator.ConditionalTriggeredAbility;
+import mage.abilities.dynamicvalue.common.ManacostVariableValue;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.ChooseOpponentEffect;
+import mage.abilities.effects.common.RemoveAllCountersSourceEffect;
+import mage.abilities.effects.common.counter.AddCountersSourceEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.*;
+import mage.counters.CounterType;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+import mage.players.Player;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class EnergyVortex extends CardImpl {
+
+    public EnergyVortex(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.ENCHANTMENT}, "{3}{U}");
+
+        // As Energy Vortex enters the battlefield, choose an opponent.
+        this.addAbility(new AsEntersBattlefieldAbility(new ChooseOpponentEffect(Outcome.Detriment)));
+
+        // At the beginning of your upkeep, remove all vortex counters from Energy Vortex.
+        this.addAbility(new BeginningOfUpkeepTriggeredAbility(
+                new RemoveAllCountersSourceEffect(CounterType.VORTEX), TargetController.YOU, false
+        ));
+
+        // At the beginning of the chosen player's upkeep, Energy Vortex deals 3 damage to that player unless he or she pays {1} for each vortex counter on Energy Vortex.
+        this.addAbility(new ConditionalTriggeredAbility(
+                new BeginningOfUpkeepTriggeredAbility(
+                        new EnergyVortexEffect(), TargetController.ANY, false
+                ), EnergyVortexCondition.instance, "At the beginning of the chosen player's upkeep, " +
+                "{this} deals 3 damage to that player unless they pay {1} for each vortex counter on {this}."
+        ));
+
+        // {X}: Put X vortex counters on Energy Vortex. Activate this ability only during your upkeep.
+        this.addAbility(new ActivateIfConditionActivatedAbility(
+                Zone.BATTLEFIELD,
+                new AddCountersSourceEffect(
+                        CounterType.VORTEX.createInstance(),
+                        ManacostVariableValue.instance, true
+                ), new ManaCostsImpl("{X}"),
+                new IsStepCondition(PhaseStep.UPKEEP)
+        ));
+    }
+
+    private EnergyVortex(final EnergyVortex card) {
+        super(card);
+    }
+
+    @Override
+    public EnergyVortex copy() {
+        return new EnergyVortex(this);
+    }
+}
+
+enum EnergyVortexCondition implements Condition {
+    instance;
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        return game.getActivePlayerId().equals(game.getState().getValue(source.getSourceId().toString() + ChooseOpponentEffect.VALUE_KEY));
+    }
+}
+
+class EnergyVortexEffect extends OneShotEffect {
+
+    EnergyVortexEffect() {
+        super(Outcome.Benefit);
+    }
+
+    private EnergyVortexEffect(final EnergyVortexEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public EnergyVortexEffect copy() {
+        return new EnergyVortexEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player player = game.getPlayer(game.getActivePlayerId());
+        Permanent permanent = game.getPermanent(source.getSourceId());
+        if (player == null || permanent == null) {
+            return false;
+        }
+        int counters = permanent.getCounters(game).getCount(CounterType.VORTEX);
+        Cost cost = new GenericManaCost(counters);
+        if (cost.pay(source, game, source.getSourceId(), player.getId(), false)) {
+            return true;
+        }
+        return player.damage(3, source.getSourceId(), game) > 0;
+    }
+}

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

@@ -103,6 +103,7 @@ public final class Mirage extends ExpansionSet {
         cards.add(new SetCardInfo("Emberwilde Caliph", 322, Rarity.RARE, mage.cards.e.EmberwildeCaliph.class));
         cards.add(new SetCardInfo("Emberwilde Djinn", 172, Rarity.RARE, mage.cards.e.EmberwildeDjinn.class));
         cards.add(new SetCardInfo("Energy Bolt", 263, Rarity.RARE, mage.cards.e.EnergyBolt.class));
+        cards.add(new SetCardInfo("Energy Vortex", 64, Rarity.RARE, mage.cards.e.EnergyVortex.class));
         cards.add(new SetCardInfo("Enfeeblement", 121, Rarity.COMMON, mage.cards.e.Enfeeblement.class));
         cards.add(new SetCardInfo("Enlightened Tutor", 14, Rarity.UNCOMMON, mage.cards.e.EnlightenedTutor.class));
         cards.add(new SetCardInfo("Ersatz Gnomes", 301, Rarity.UNCOMMON, mage.cards.e.ErsatzGnomes.class));

Mage/src/main/java/mage/counters/CounterType.java

@@ -134,6 +134,7 @@ public enum CounterType {
     VELOCITY("velocity"),
     VERSE("verse"),
     VITALITY("vitality"),
+    VORTEX("vortex"),
     WIND("wind"),
     WISH("wish");