Madolche Puddingcess [RA04-EN186] Quarter Century Secret Rare

Gains 800 ATK/DEF while you have no monsters in your GY. If this card in your possession is destroyed by an opponent's card and sent to your GY: Shuffle this card into the Deck. After damage calculation, if this card battles an opponent's monster: You can target 1 card your opponent controls; destroy that target.