Karn, Legacy Reforged
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.
How Karn decks play in EDH
Karn, Legacy Reforged is a colourless commander costing 5, and its legendary artifact creature - golem line shapes the whole deck around it. Artifacts drive the deck, so cheap mana rocks and artifact recursion do double duty. The cards below are the ones Karn, Legacy Reforged decks actually play most often, grouped by the job they do.
Most-played cards
20 cards · about $94.34Play rates from EDHREC. Prices from Scryfall, refreshed daily.
Ramp (2)
Card draw (1)
Removal (1)
Creatures (10)
Synergy & payoffs (5)
Lands (1)
Build the full 100
Grimoire generates a complete, Commander-legal Karn, Legacy Reforged decklist with a written strategy, a full mana base and live prices — from the whole card pool, or only from cards you already own.
Start with KarnKarn deck questions
What colours can I use in a Karn, Legacy Reforged deck?
Karn, Legacy Reforged is colourless, so the deck can only play colourless cards and basic-land-produced mana. It is one of the tightest deckbuilding restrictions in Commander.
What are the best cards for Karn, Legacy Reforged?
The cards played most often in Karn, Legacy Reforged decks include Memnarch, the Warden, Omnath, Locus of the Void, Darksteel Angel. The full list of staples above is grouped by the job each card does, so you can see the deck's skeleton rather than just a pile of names.
How much does a Karn, Legacy Reforged deck cost?
The 20 most-played cards shown above come to roughly $94.34 at current market prices. A complete 100-card build costs more, and Grimoire can generate a budget version instead if you set a price ceiling.
Can I build a Karn, Legacy Reforged deck from cards I already own?
Yes. Import your collection into Grimoire and choose "my cards" when you build. The generator will only use cards you actually own, and the Missing Cards page shows what you would need to buy to finish any list.