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.
NM-Mint - $10.80
Lightly Played - $10.20
Moderately Played - $9.70
Heavily Played - $8.60
Damaged - $7.00
NM-Mint Non English - $10.80
Lightly Played Non English - $10.20
Moderately Played Non English - $9.70
Heavily Played Non English - $8.60
Damaged Non English - $7.00
Foil Prices
NM-Mint Foil - $13.30
Lightly Played Foil - $12.60
Moderately Played Foil - $12.00
Heavily Played Foil - $10.60
Damaged Foil - $8.70
NM-Mint Foil Non English - $13.30
Lightly Played Foil Non English - $12.60
Moderately Played Foil Non English - $12.00
Heavily Played Foil Non English - $10.60
Damaged Foil Non English - $8.70