March of the Machine: The Aftermath · #184
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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 (Golem) from the March of the Machine: The Aftermath set. Its power and toughness each equal the greatest mana value among artifacts you control, making its size scale with your artifacts. At the beginning of your upkeep it adds colorless mana equal to the number of artifacts you control that can only be used for artifact or other restricted uses until end of turn.
Catalog pricing data as of 29 Apr 2026, 01:05
