Karn, Legacy Reforged's power and toughness are each equal to the greatest mana value among artifacts you control.
At the beginning of your upkeep, add {C} for each artifact you control. This mana can't be spent to cast nonartifact spells. Until end of turn, you don't lose this mana as steps and phases end.
Near Mint - £8.80
Lightly Played - £7.50
Moderately Played - £6.20
Heavily Played - £4.40
Damaged - £2.70
Near Mint Non English - £8.80
Lightly Played Non English - £7.50
Moderately Played Non English - £6.20
Heavily Played Non English - £4.40
Damaged Non English - £2.70
Foil Prices
Near Mint Foil - £9.30
Lightly Played Foil - £7.90
Moderately Played Foil - £6.50
Heavily Played Foil - £4.70
Damaged Foil - £2.80
Near Mint Foil Non English - £9.30
Lightly Played Foil Non English - £7.90
Moderately Played Foil Non English - £6.50
Heavily Played Foil Non English - £4.70
Damaged Foil Non English - £2.80