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.
Like New Unlimited - $0.10
Like New 1st Edition - $0.10
Light Played Unlimited - $0.10
Light Played 1st Edition - $0.10
Heavy Played Unlimited - $0.10
Heavy Played 1st Edition - $0.10