Trample Cumulative upkeep {R} or {G} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) Earthen Goo gets +1/+1 for each age counter on it.
Near Mint - $200
Lightly Played - $200
Moderately Played - $100
Heavily Played - $100
Damaged - $100
Near Mint Spanish - $200
Lightly Played Spanish - $200
Moderately Played Spanish - $100
Heavily Played Spanish - $100
Damaged Spanish - $100
Foil Prices
Near Mint Foil - $600
Lightly Played Foil - $500
Moderately Played Foil - $500
Heavily Played Foil - $400
Damaged Foil - $300
Near Mint Foil Spanish - $600
Lightly Played Foil Spanish - $500
Moderately Played Foil Spanish - $500
Heavily Played Foil Spanish - $400
Damaged Foil Spanish - $300