Nighthawk Scavenger is a rare Creature — Vampire Rogue card from Zendikar Rising Promos (PZNR), collector number 115p. Current market price: $0.54 (foil $0.75), TCGplayer market prices via Scryfall.
Flying, deathtouch, lifelink Nighthawk Scavenger's power is equal to 1 plus the number of card types among cards in your opponents' graveyards.