As long as Trinisphere is untapped, each spell that would cost less than three mana to cast costs three mana to cast. (Additional mana in the cost may be paid with any color of mana or colorless mana. For example, a spell that would cost {1}{B} to cast costs {2}{B} to cast instead.)
Near Mint - $20.000
Lightly Played - $16.000
Moderately Played - $14.000
Heavily Played - $12.000
Damaged - $10.000
Near Mint Spanish - $20.000
Lightly Played Spanish - $16.000
Moderately Played Spanish - $14.000
Heavily Played Spanish - $12.000
Damaged Spanish - $10.000
Foil Prices
Near Mint Foil - $70.000
Lightly Played Foil - $56.000
Moderately Played Foil - $49.100
Heavily Played Foil - $42.000
Damaged Foil - $35.100
Near Mint Foil Spanish - $70.000
Lightly Played Foil Spanish - $56.000
Moderately Played Foil Spanish - $49.100
Heavily Played Foil Spanish - $42.000
Damaged Foil Spanish - $35.100