Olivia's Attendants is a rare Creature — Vampire card from Innistrad: Crimson Vow (VOW), collector number 307. Current market price: $0.38 (foil $0.86), TCGplayer market prices via Scryfall.
Menace Whenever this creature deals damage, create that many Blood tokens. (They're artifacts with "{1}, {T}, Discard a card, Sacrifice this token: Draw a card.") {2}{R}: This creature deals 1 damage to any target.