Pawn of Ulamog is a uncommon Creature — Vampire Shaman card from Rise of the Eldrazi (ROE), collector number 122. Current market price: $1.91 (foil $39.59), TCGplayer market prices via Scryfall.
Whenever this creature or another nontoken creature you control dies, you may create a 0/1 colorless Eldrazi Spawn creature token. It has "Sacrifice this token: Add {C}."