Karn, Legacy Reforged magic the gathering card art
Mystery Booster 2 (mb2)
#255mythic English Foil

Karn, Legacy Reforged
5

Legendary Artifact Creature — Golem

Karn's power and toughness are each equal to the greatest mana value among artifacts you control.

At the beginning of your upkeep, add colorless 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.

Illustrated by Anthony S. Waters
Links
Legalities
Not Legal
standard
Legal
historic
Legal
pioneer
Legal
Modern
Legal
Legacy
Not Legal
pauper
Legal
vintage
Legal
Commander
Legal
brawl
Not Legal
alchemy
Rulings
The ability that defines Karn's power and toughness works in all zones, not just the battlefield. As long as Karn is under your control and still an artifact, its own mana value will count. In most cases, it'll be at least 5/5.
2023-05-12wotc
Karn's last ability isn't a mana ability, even though it adds mana. It uses the stack and it can be responded to. Use the number of artifacts you control as the ability resolves to determine how much mana to add.
2023-05-12wotc
The mana produced by Karn's last ability can be spent on anything that isn't a nonartifact spell. This includes casting artifact spells, paying costs to activate abilities of both artifact and nonartifact permanents, paying ward costs, and so on.
2023-05-12wotc


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