
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.
Empty the Laboratory has 3 printings, first in Midnight Hunt Commander (2021). EDHREC ranks it #6,716 among Commander cards. It appears most in Wilhelt, the Rotcleaver decks (11,857 on EDHREC). 1 public deck on TCG runs it. It has 1 official ruling.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.