Zombie Fanboy is a uncommon Creature — Zombie Gamer card from Unhinged (UNH), collector number 69. Current market price: $0.31 (foil $2.50), TCGplayer market prices via Scryfall.
As this creature enters, choose an artist. Whenever a permanent with art by the chosen artist is put into a graveyard, put two +1/+1 counters on this creature.