Equip only to a monster you control. If the equipped monster battles an opponent's monster, double its original ATK/DEF 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://boardwipe.com/cdn/shop/products/170742_400w.jpg?v=1607889769&width=1445)
![Solitary Sword of Poison [CYHO-EN065] Common](http://boardwipe.com/cdn/shop/products/170742_200w.jpg?v=1607889769&width=1445)