While you control no cards and this is the only card in your hand, when an opponent's monster declares an attack: You can discard this card; destroy as many cards as possible your opponent controls, then you can Special Summon 1 monster from your Deck.
Printings
Legendary Collection KaibaLC06-EN001Ultra Rare
Legendary Collection Kaiba Mega PackLCKC-EN106Secret Rare$2.05
