Necrogoyf's power is equal to the number of creature cards in all graveyards. At the beginning of each player's upkeep, that player discards a card. Madness {1}{B}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)
Near Mint - $400
Lightly Played - $300
Moderately Played - $300
Heavily Played - $200
Damaged - $200
Near Mint Spanish - $400
Lightly Played Spanish - $300
Moderately Played Spanish - $300
Heavily Played Spanish - $200
Damaged Spanish - $200
Foil Prices
Near Mint Foil - $600
Lightly Played Foil - $500
Moderately Played Foil - $400
Heavily Played Foil - $400
Damaged Foil - $300
Near Mint Foil Spanish - $600
Lightly Played Foil Spanish - $500
Moderately Played Foil Spanish - $400
Heavily Played Foil Spanish - $400
Damaged Foil Spanish - $300