Hashaton, Scarab's Fist is a mythic Legendary Creature — Zombie Wizard card from Aetherdrift Commander (DRC), collector number 1. Current market price: $0.99 (foil $0.48), TCGplayer market prices via Scryfall.
Whenever you discard a creature card, you may pay {2}{U}. If you do, create a tapped token that's a copy of that card, except it's a 4/4 black Zombie.