Essenceknit Scholar is a uncommon Creature — Dryad Warlock card from Secrets of Strixhaven (SOS), collector number 187. Current market price: $0.22 (foil $0.30), TCGplayer market prices via Scryfall.
When this creature enters, create a 1/1 black and green Pest creature token with "Whenever this token attacks, you gain 1 life." At the beginning of your end step, if a creature died under your control this turn, draw a card.