Nethergoyf's power is equal to the number of card types among cards in your graveyard and its toughness is equal to that number plus 1.
Escape—2B, Exile any number of other cards from your graveyard with four or more card types among them. (You may cast this card from your graveyard for its escape cost.)
Near Mint - $83.100
Lightly Played - $66.500
Moderately Played - $58.200
Heavily Played - $49.900
Damaged - $41.600
Near Mint Spanish - $83.100
Lightly Played Spanish - $66.500
Moderately Played Spanish - $58.200
Heavily Played Spanish - $49.900
Damaged Spanish - $41.600
Foil Prices
Near Mint Foil - $91.000
Lightly Played Foil - $72.800
Moderately Played Foil - $63.700
Heavily Played Foil - $54.600
Damaged Foil - $45.500
Near Mint Foil Spanish - $91.000
Lightly Played Foil Spanish - $72.800
Moderately Played Foil Spanish - $63.700
Heavily Played Foil Spanish - $54.600
Damaged Foil Spanish - $45.500