March of the Machine: The Aftermath · #99
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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.
Abilities, attacks, weakness & resistance
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Karn, Legacy Reforged is a legendary artifact creature card from the March of the Machine: The Aftermath set that functions as a Golem and has a variable power and toughness. Its power and toughness are each equal to the greatest mana value among artifacts you control, making it scale with your artifact base. At the beginning of your upkeep it adds colorless mana equal to the number of artifacts you control that can’t be used for nonartifact spells and the mana persists until end of turn.
Catalog pricing data as of 27 Apr 2026, 01:00
