Implemented Galloping Lizrog

Mage.Sets/src/mage/cards/g/GallopingLizrog.java

@@ -0,0 +1,87 @@
+package mage.cards.g;
+
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.common.EntersBattlefieldTriggeredAbility;
+import mage.abilities.costs.Cost;
+import mage.abilities.costs.common.RemoveVariableCountersTargetCost;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.counter.AddCountersSourceEffect;
+import mage.abilities.keyword.TrampleAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Outcome;
+import mage.constants.SubType;
+import mage.counters.CounterType;
+import mage.filter.StaticFilters;
+import mage.game.Game;
+import mage.players.Player;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class GallopingLizrog extends CardImpl {
+
+    public GallopingLizrog(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{3}{G}{U}");
+
+        this.subtype.add(SubType.FROG);
+        this.subtype.add(SubType.LIZARD);
+        this.power = new MageInt(3);
+        this.toughness = new MageInt(3);
+
+        // Trample
+        this.addAbility(TrampleAbility.getInstance());
+
+        // When Galloping Lizrog enters the battlefield, you may remove any number of +1/+1 counters from among creatures you control. If you do, put twice that many +1/+1 counters on Galloping Lizrog.
+        this.addAbility(new EntersBattlefieldTriggeredAbility(new GallopingLizrogEffect(), true));
+    }
+
+    private GallopingLizrog(final GallopingLizrog card) {
+        super(card);
+    }
+
+    @Override
+    public GallopingLizrog copy() {
+        return new GallopingLizrog(this);
+    }
+}
+
+class GallopingLizrogEffect extends OneShotEffect {
+
+    GallopingLizrogEffect() {
+        super(Outcome.Benefit);
+        staticText = "remove any number of +1/+1 counters from among creatures you control. " +
+                "If you do, put twice that many +1/+1 counters on {this}";
+    }
+
+    private GallopingLizrogEffect(final GallopingLizrogEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public GallopingLizrogEffect copy() {
+        return new GallopingLizrogEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player player = game.getPlayer(source.getControllerId());
+        if (player == null) {
+            return false;
+        }
+        RemoveVariableCountersTargetCost variableCost
+                = new RemoveVariableCountersTargetCost(StaticFilters.FILTER_CONTROLLED_CREATURE, CounterType.P1P1);
+        int toPay = variableCost.announceXValue(source, game);
+        Cost cost = variableCost.getFixedCostsFromAnnouncedValue(toPay);
+        if (!cost.pay(source, game, source.getSourceId(), source.getControllerId(), true)) {
+            return false;
+        }
+        return new AddCountersSourceEffect(
+                CounterType.P1P1.createInstance(2 * toPay)
+        ).apply(game, source);
+    }
+}

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

@@ -93,6 +93,7 @@ public final class RavnicaAllegiance extends ExpansionSet {
         cards.add(new SetCardInfo("Forbidding Spirit", 9, Rarity.UNCOMMON, mage.cards.f.ForbiddingSpirit.class));
         cards.add(new SetCardInfo("Frenzied Arynx", 173, Rarity.COMMON, mage.cards.f.FrenziedArynx.class));
         cards.add(new SetCardInfo("Frilled Mystic", 174, Rarity.UNCOMMON, mage.cards.f.FrilledMystic.class));
+        cards.add(new SetCardInfo("Galloping Lizrog", 175, Rarity.UNCOMMON, mage.cards.g.GallopingLizrog.class));
         cards.add(new SetCardInfo("Gate Colossus", 232, Rarity.UNCOMMON, mage.cards.g.GateColossus.class));
         cards.add(new SetCardInfo("Gatebreaker Ram", 126, Rarity.UNCOMMON, mage.cards.g.GatebreakerRam.class));
         cards.add(new SetCardInfo("Gates Ablaze", 102, Rarity.UNCOMMON, mage.cards.g.GatesAblaze.class));