Color: Blue Card Text: Sacrifice X Zombies , then reveal cards from the top of your library until you reveal a number of Zombie creature cards equal to the number of Zombies sacrificed this way. Put those cards onto the battlefield and the rest on the bottom of your library in a random order. Rarity: R Cost: XUU Card Type: Sorcery Name: Empty the Laboratory Finish: Regular Card Number: 052 Set Name: Commander: Innistrad: Midnight Hunt