Equip only to a monster you control. If the equipped monster battles an opponent's monster, the equipped monster original ATK/DEF is doubled during that damage calculation only. If you control a monster other than the equipped monster, send this card to the GY. You can only control 1 "Solitary Sword of Poison".
![Solitary Sword of Poison [CYHO-EN065] Common](http://www.cardmerchanttakapuna.co.nz/cdn/shop/products/859a467b-fb17-52e0-b575-c989566f7f4f.png?v=1698557569&width=1445)