Carrier Thrall is a uncommon Creature — Vampire card from Duel Decks: Nissa vs. Ob Nixilis (DDR), collector number 42. Current market price: $0.18, TCGplayer market prices via Scryfall.
When this creature dies, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this token: Add {C}."