Sightless Ghoul is a common Creature — Zombie Soldier card from Dark Ascension (DKA), collector number 73. Current market price: $0.24 (foil $0.59), TCGplayer market prices via Scryfall.
This creature can't block. 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.)