Vein Ripper is a mythic Creature — Vampire Assassin card from Murders at Karlov Manor Promos (PMKM), collector number 110p. Current market price: $6.93 (foil $7.68), TCGplayer market prices via Scryfall.
Flying Ward—Sacrifice a creature. Whenever a creature dies, target opponent loses 2 life and you gain 2 life.