Equip only to a Normal Summoned/Set monster you control. It is unaffected by your opponent's activated effects of Special Summoned monsters. During damage calculation, if the equipped monster battles an opponent's Special Summoned monster: That opponent's monster loses ATK/DEF equal to the equipped monster's original ATK, during that damage calculation only.
![Mordschlag [DANE-EN065] Common](http://boardwipe.com/cdn/shop/products/189420_400w.jpg?v=1607902330&width=1445)
![Mordschlag [DANE-EN065] Common](http://boardwipe.com/cdn/shop/products/189420_200w.jpg?v=1607902330&width=1445)