Geralf's Mindcrusher is a rare Creature — Zombie Horror card from Starter Commander Decks (SCD), collector number 53. Current market price: $0.20, TCGplayer market prices via Scryfall.
When this creature enters, target player mills five cards. Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)