Empty the Laboratory is a rare Sorcery card from Midnight Hunt Commander (MIC), collector number 52. Current market price: $1.53, TCGplayer market prices via Scryfall.
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.