Teysa, Orzhov Scion is a rare Legendary Creature — Human Advisor card from Ravnica Remastered (RVR), collector number 441. Current market price: $6.48 (foil $18.18), TCGplayer market prices via Scryfall.
Sacrifice three white creatures: Exile target creature. Whenever another black creature you control dies, create a 1/1 white Spirit creature token with flying.