At the beginning of your upkeep, put a time counter on As Foretold. Once each turn, you may pay {0} rather than pay the mana cost for a spell you cast with mana value X or less, where X is the number of time counters on As Foretold.
Near Mint - £0.90
Lightly Played - £0.70
Moderately Played - £0.60
Heavily Played - £0.50
Damaged - £0.30
Near Mint Non English - £0.90
Lightly Played Non English - £0.70
Moderately Played Non English - £0.60
Heavily Played Non English - £0.50
Damaged Non English - £0.30
Foil Prices
Near Mint Foil - £1.30
Lightly Played Foil - £1.10
Moderately Played Foil - £0.90
Heavily Played Foil - £0.70
Damaged Foil - £0.40
Near Mint Foil Non English - £1.30
Lightly Played Foil Non English - £1.10
Moderately Played Foil Non English - £0.90
Heavily Played Foil Non English - £0.70
Damaged Foil Non English - £0.40