Blood Operative is a rare Creature — Vampire Assassin card from Guilds of Ravnica (GRN), collector number 63. Current market price: $0.18 (foil $0.38), TCGplayer market prices via Scryfall.
Lifelink When this creature enters, you may exile target card from a graveyard. Whenever you surveil, if this card is in your graveyard, you may pay 3 life. If you do, return this card to your hand.