Play with the top card of your library revealed.
As long as the top card of your library is black, Vampire Nocturnus and other Vampire creatures you control get +2/+1 and have flying.
Near Mint - $8.70
Near Mint Non-English - $8.70
Lightly Played - $7.80
Lightly Played Non-English - $7.80
Played - $6.10
Played Non-English - $6.10
Heavily Played - $5.20
Heavily Played Non-English - $5.20
Damaged - $4.40
Damaged Non-English - $4.40