updated implementation of equipment which use themself in a gained ability

Mage/src/main/java/mage/abilities/costs/common/SacrificeAttachmentCost.java

@@ -0,0 +1,56 @@
+package mage.abilities.costs.common;
+
+import mage.abilities.Ability;
+import mage.abilities.costs.Cost;
+import mage.abilities.costs.UseAttachedCost;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public class SacrificeAttachmentCost extends UseAttachedCost {
+
+    public SacrificeAttachmentCost() {
+        super();
+    }
+
+    public SacrificeAttachmentCost(final SacrificeAttachmentCost cost) {
+        super(cost);
+    }
+
+    @Override
+    public boolean pay(Ability ability, Game game, UUID sourceId, UUID controllerId, boolean noMana, Cost costToPay) {
+        if (mageObjectReference == null) {
+            return false;
+        }
+        Permanent permanent = game.getPermanent(sourceId);
+        if (permanent == null) {
+            return paid;
+        }
+        for (UUID attachmentId : permanent.getAttachments()) {
+            if (!this.mageObjectReference.refersTo(attachmentId, game)) {
+                continue;
+            }
+            Permanent attachment = game.getPermanent(attachmentId);
+            paid = attachment != null && attachment.sacrifice(sourceId, game);
+            if (paid) {
+                break;
+            }
+        }
+
+        return paid;
+    }
+
+    @Override
+    public SacrificeAttachmentCost copy() {
+        return new SacrificeAttachmentCost(this);
+    }
+
+    @Override
+    public String getText() {
+        return "sacrifice " + this.name;
+    }
+}