* Fixed that equipments with restrictions (e.g. Gate Smasher) were not unequipped if the equipped permanent did no longer fulfill the restrictions(fixes #2212).

Mage/src/main/java/mage/abilities/common/AttachableToRestrictedAbility.java

@@ -0,0 +1,47 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package mage.abilities.common;
+
+import mage.abilities.Ability;
+import mage.abilities.effects.common.InfoEffect;
+import mage.constants.Zone;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+import mage.target.Target;
+
+/**
+ *
+ * @author LevelX2
+ */
+public class AttachableToRestrictedAbility extends SimpleStaticAbility {
+
+    public AttachableToRestrictedAbility(Target target) {
+        super(Zone.BATTLEFIELD, new InfoEffect("{this} can be attached only to a " + target.getTargetName()));
+        addTarget(target);
+    }
+
+    private AttachableToRestrictedAbility(AttachableToRestrictedAbility ability) {
+        super(ability);
+    }
+
+    public boolean canEquip(Permanent toEquip, Ability source, Game game) {
+        for (Target target : getTargets()) {
+            if (source == null) {
+                if (!target.canTarget(toEquip.getId(), game)) {
+                    return false;
+                }
+            } else if (!target.canTarget(toEquip.getId(), source, game)) {
+                return false;
+            }
+        }
+        return true;
+    }
+
+    @Override
+    public AttachableToRestrictedAbility copy() {
+        return new AttachableToRestrictedAbility(this);
+    }
+}