Kalastria Highborn is a rare Creature — Vampire Shaman card from Worldwake (WWK), collector number 59. Current market price: $0.76 (foil $8.41), TCGplayer market prices via Scryfall.
Whenever this creature or another Vampire you control dies, you may pay {B}. If you do, target player loses 2 life and you gain 2 life.