[40K] Implement Plague Drone (#9685)

Mage.Sets/src/mage/cards/p/PlagueDrone.java

@@ -0,0 +1,83 @@
+package mage.cards.p;
+
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.effects.ReplacementEffectImpl;
+import mage.abilities.keyword.FlyingAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.*;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.players.Player;
+
+import java.util.UUID;
+
+/**
+ * @author PurpleCrowbar
+ */
+public final class PlagueDrone extends CardImpl {
+
+    public PlagueDrone(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{3}{B}");
+        this.subtype.add(SubType.DEMON);
+        this.power = new MageInt(3);
+        this.toughness = new MageInt(3);
+
+        // Flying
+        this.addAbility(FlyingAbility.getInstance());
+
+        // Rot Fly — If an opponent would gain life, that player loses that much life instead.
+        this.addAbility(new SimpleStaticAbility(Zone.BATTLEFIELD, new PlagueDroneReplacementEffect()).withFlavorWord("Rot Fly"));
+    }
+
+    private PlagueDrone(final PlagueDrone card) {
+        super(card);
+    }
+
+    @Override
+    public PlagueDrone copy() {
+        return new PlagueDrone(this);
+    }
+}
+
+class PlagueDroneReplacementEffect extends ReplacementEffectImpl {
+
+    public PlagueDroneReplacementEffect() {
+        super(Duration.WhileOnBattlefield, Outcome.Benefit);
+        staticText = "If an opponent would gain life, that player loses that much life instead";
+    }
+
+    public PlagueDroneReplacementEffect(final PlagueDroneReplacementEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public PlagueDroneReplacementEffect copy() {
+        return new PlagueDroneReplacementEffect(this);
+    }
+
+    @Override
+    public boolean checksEventType(GameEvent event, Game game) {
+        return event.getType() == GameEvent.EventType.GAIN_LIFE;
+    }
+
+    @Override
+    public boolean applies(GameEvent event, Ability source, Game game) {
+        Player controller = game.getPlayer(source.getControllerId());
+        if (controller != null) {
+            return controller.hasOpponent(event.getPlayerId(), game);
+        }
+        return false;
+    }
+
+    @Override
+    public boolean replaceEvent(GameEvent event, Ability source, Game game) {
+        Player opponent = game.getPlayer(event.getPlayerId());
+        if (opponent != null) {
+            opponent.loseLife(event.getAmount(), game, source, false);
+        }
+        return true;
+    }
+}

Mage.Sets/src/mage/sets/Warhammer40000.java

@@ -192,6 +192,7 @@ public final class Warhammer40000 extends ExpansionSet {
         cards.add(new SetCardInfo("Past in Flames", 206, Rarity.MYTHIC, mage.cards.p.PastInFlames.class));
         cards.add(new SetCardInfo("Path of Ancestry", 287, Rarity.COMMON, mage.cards.p.PathOfAncestry.class));
         cards.add(new SetCardInfo("Pink Horror", 136, Rarity.RARE, mage.cards.p.PinkHorror.class));
+        cards.add(new SetCardInfo("Plague Drone", 47, Rarity.RARE, mage.cards.p.PlagueDrone.class));
         cards.add(new SetCardInfo("Plains", 306, Rarity.LAND, mage.cards.basiclands.Plains.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Plasmancer", 48, Rarity.UNCOMMON, mage.cards.p.Plasmancer.class));
         cards.add(new SetCardInfo("Polluted Mire", 288, Rarity.COMMON, mage.cards.p.PollutedMire.class));