SkipUntapSourceEffect. FilterAttackingOrBlockingCreature. TargetAttackingOrBlockingCreature.

Mage/src/mage/abilities/effects/common/SkipUntapSourceEffect.java

@@ -0,0 +1,45 @@
+package mage.abilities.effects.common;
+
+import mage.Constants;
+import mage.abilities.Ability;
+import mage.abilities.effects.ReplacementEffectImpl;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+
+public class SkipUntapSourceEffect extends ReplacementEffectImpl<SkipUntapSourceEffect> {
+
+    public SkipUntapSourceEffect() {
+        super(Constants.Duration.WhileOnBattlefield, Constants.Outcome.Detriment);
+        staticText = "{this} doesn't untap during your next untap step";
+    }
+
+    public SkipUntapSourceEffect(final SkipUntapSourceEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public SkipUntapSourceEffect copy() {
+        return new SkipUntapSourceEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        return false;
+    }
+
+    @Override
+    public boolean replaceEvent(GameEvent event, Ability source, Game game) {
+        return true;
+    }
+
+    @Override
+    public boolean applies(GameEvent event, Ability source, Game game) {
+        if (game.getTurn().getStepType() == Constants.PhaseStep.UNTAP
+                && event.getType() == GameEvent.EventType.UNTAP
+                && event.getTargetId().equals(source.getSourceId())) {
+            return true;
+        }
+        return false;
+    }
+
+}