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 - $8.25
Near Mint Non-English - $8.25
Lightly Played - $8.00
Lightly Played Non-English - $8.00
Moderately Played - $6.75
Moderately Played Non-English - $6.75
Heavily Played - $5.00
Heavily Played Non-English - $5.00
Damaged - $4.25
Damaged Non-English - $4.25