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Theme
Karn's Bastion image 1 Karn's Bastion image 2 Karn's Bastion image 3 Karn's Bastion image 4 Karn's Bastion image 5 Karn's Bastion image 6 Karn's Bastion image 7 Karn's Bastion image 8 Karn's Bastion image 9 Karn's Bastion image 10 Karn's Bastion image 11 Karn's Bastion image 12 Karn's Bastion image 13
Phyrexia: All Will Be One Commander (ONC | #156 | 2023-02-10)
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Karn's Bastion

Land
Artist: Adam Paquette

T: Add C.

4, T: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

$2.08 cheapest print

Prices

Set # Treatment Finish Price (USD)
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War of the Spark 248 Regular Nonfoil $2.08
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War of the Spark Promos 248p Promo Nonfoil $2.89
War of the Spark Promos 248p Promo Foil $7.66
War of the Spark Promos 248s Promo Foil $5.29
The Lost Caverns of Ixalan Commander 339 Regular Nonfoil $2.58
March of the Machine Commander 409 Regular Nonfoil $2.70
New Capenna Commander 410 Regular Nonfoil $2.37
Ravnica Remastered 464 Regular Nonfoil $3.71
Ravnica Remastered 464 Regular Foil $4.78
Commander Masters 1007 Regular Nonfoil $2.44
Secret Lair Drop 1751 Borderless Nonfoil $5.90

Price History

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Rulings

2023-02-04 wotc
You don't have to choose every permanent or player that has a counter, only the ones you want to add another counter to. Since "any number" includes zero, you don't have to choose any permanents at all, and you don't have to choose any players at all.
2023-02-04 wotc
To proliferate, you can choose any permanent that has a counter, including ones controlled by opponents. You can choose any player who has a counter, including opponents. You can't choose cards in any zone other than the battlefield, even if they have counters on them.
2023-02-04 wotc
Players can respond to a spell or ability whose effect includes proliferating. Once that spell or ability starts to resolve, however, and its controller chooses which permanents and players will get new counters, it's too late for anyone to respond.
2023-02-04 wotc
If a player or permanent has more than one kind of counter on it, and you choose for it to get additional counters, it must get one of each kind of counter it already has. You can't have it get just one kind of counter it already has and not the others.
2023-02-04 wotc
If a permanent ever has both +1/+1 counters and -1/-1 counters on it at the same time, they're removed in pairs as a state-based action so that the permanent has only one of those kinds of counters on it.
2023-02-04 wotc
An ability that triggers "Whenever you proliferate" triggers even if you chose no permanents or players while doing so.

Format Legality

Standard Not Legal
Future Not Legal
Historic Legal
Timeless Legal
Gladiator Legal
Pioneer Legal
Modern Legal
Legacy Legal
Pauper Not Legal
Vintage Legal
Penny Legal
Commander Legal
Oathbreaker Legal
Standardbrawl Not Legal
Brawl Legal
Alchemy Not Legal
Paupercommander Not Legal
Duel Legal
Oldschool Not Legal
Premodern Not Legal
Predh Not Legal