Falkenrath Aristocrat is a rare Creature — Vampire Noble card from Modern Masters 2017 (MM3), collector number 163. Current market price: $0.33 (foil $0.93), TCGplayer market prices via Scryfall.
Flying, haste Sacrifice a creature: This creature gains indestructible until end of turn. If the sacrificed creature was a Human, put a +1/+1 counter on this creature.