Vampire Nocturnus is a mythic Creature — Vampire card from Magic 2013 (M13), collector number 113. Current market price: $5.86 (foil $27.95), TCGplayer market prices via Scryfall.
Play with the top card of your library revealed. As long as the top card of your library is black, this creature and other Vampire creatures you control get +2/+1 and have flying.