Restructured Mage module

Mage/src/main/java/mage/abilities/effects/common/MayTapOrUntapTargetEffect.java

@@ -0,0 +1,56 @@
+package mage.abilities.effects.common;
+
+import mage.abilities.Ability;
+import mage.abilities.Mode;
+import mage.abilities.effects.OneShotEffect;
+import mage.constants.Outcome;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+import mage.players.Player;
+
+/**
+ * @author Loki
+ */
+public class MayTapOrUntapTargetEffect extends OneShotEffect {
+
+    public MayTapOrUntapTargetEffect() {
+        super(Outcome.Benefit);
+    }
+
+    public MayTapOrUntapTargetEffect(final MayTapOrUntapTargetEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Permanent target = game.getPermanent(targetPointer.getFirst(game, source));
+        Player player = game.getPlayer(source.getControllerId());
+        if (target != null && player != null) {
+            if (target.isTapped()) {
+                if (player.chooseUse(Outcome.Untap, "Untap that permanent?", source, game)) {
+                    target.untap(game);
+                }
+            } else {
+                if (player.chooseUse(Outcome.Tap, "Tap that permanent?", source, game)) {
+                    target.tap(game);
+                }
+            }
+            return true;
+        }
+        return false;
+    }
+
+    @Override
+    public MayTapOrUntapTargetEffect copy() {
+        return new MayTapOrUntapTargetEffect(this);
+    }
+
+    @Override
+    public String getText(Mode mode) {
+        if (mode.getTargets().isEmpty()) {
+            return "you may tap or untap it";
+        } else {
+            return "you may tap or untap target " + mode.getTargets().get(0).getTargetName();
+        }
+    }
+}