First printed in Dominaria United (2022)
All 5 prints
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Legendary Planeswalker — Karn
+1: Create a tapped Powerstone token. (It's an artifact with "
: Add 
. This mana can't be spent to cast a nonartifact spell.")
−1: Pay any amount of mana. Look at that many cards from the top of your library, then put one of those cards into your hand and the rest on the bottom of your library in a random order.
−7: You get an emblem with "Tap an untapped artifact you control: This emblem deals 1 damage to any target."
Loyalty: 4
- Illustrated by
- Chris Rahn
Legality
- Legal in
- Pioneer, Modern, Legacy, Vintage, Historic, Timeless, Penny Dreadful, Gladiator, Commander, Duel Commander, Oathbreaker, Brawl, Competitive Brawl
- Not legal in
- Standard, Pauper, Future Standard, Alchemy, Premodern, Old School 93/94, Pauper Commander, PreDH, Tiny Leaders, Standard Brawl
Rulings (7)
- For Karn’s second loyalty ability, you don’t choose how much mana to pay until the ability resolves. Once the ability begins to resolve and you have paid, no player may respond until you have finished all the steps of that ability.
- Karn’s emblem has an activated ability that allows you to tap untapped artifacts to pay its cost. Notably, you may tap artifact creatures that entered the battlefield this turn to pay this cost, even if they don’t have haste.
- Powerstone tokens are a new kind of predefined token. Each one has the artifact subtype “Powerstone” and the ability “: Add . This mana can’t be spent to cast a nonartifact spell.”
- If you don’t pay any mana, you won’t look at any cards or put any into your hand.
- You can use the added by a Powerstone token on anything that isn’t a nonartifact spell. This includes paying costs to activate abilities of both artifact and nonartifact permanents, paying ward costs, and so on.
- If you look at one or more cards this way, you must put a card into your hand. You can’t choose not to put one into your hand.
- Although all the cards in the Dominaria United set that create Powerstone tokens create a tapped Powerstone token, entering the battlefield tapped isn’t part of the token’s definition. Notably, if you create a token that is a copy of a Powerstone token, the token copy won’t enter the battlefield tapped.
Prices
MTGO price: 0.02 TIX, the cheapest non-foil print (average sell price on GoatBots, 1 Nov 2026).
In Limited on MTG Arena
Win rates in Arena drafts and sealed, retrieved from 17Lands (CC BY 4.0).
| Set | GIH WR | vs set | IWD | Games |
|---|---|---|---|---|
| Dominaria United (DMU), Premier Draft | 54.4% | -2.1 | -0.2 | 5956 |
| Dominaria United (DMU), Sealed | 58.9% | +2.8 | -1.3 | 723 |
- GIH WR
- win rate of the games in which the card was in the opening hand or drawn
- vs set
- points above or below the average win rate of all decks in the set
- IWD
- improvement when drawn: GIH WR minus the win rate when the card stayed in the library
- Games
- games in which the card was seen
Combos
1 combo:
- Infinite turns, Lock: Karn, Living Legacy + Myr Battlesphere + Teleportation Circle + Time Sieve