Blood Aspirant is a uncommon Creature — Satyr Berserker card from Theros Beyond Death (THB), collector number 128. Current market price: $0.13 (foil $0.22), TCGplayer market prices via Scryfall.
Whenever you sacrifice a permanent, put a +1/+1 counter on this creature. {1}{R}, {T}, Sacrifice a creature or enchantment: This creature deals 1 damage to target creature. That creature can't block this turn.