Name: Karn, Legacy Reforged Cost: 5 CMC: 5 Color: CID: Type: Legendary Artifact Creature -- Golem Pow/Tgh: */* Rules Text: Karn'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. Set/Rarity: March of the Machine: The Aftermath mythic, Mystery Booster 2 mythic Legality: Legal in oathbreaker, Legal in commander, Legal in brawl, Legal in gladiator, Legal in duel, Legal in historic, Legal in vintage, Legal in modern, Legal in timeless, Legal in penny, Legal in legacy, Legal in pioneer Timeshifted: True Price: $13.45 Foil price: $13.23