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Koilos Roc image 1
The Brothers' War (BRO | #55 | 2022-11-18)

Koilos Roc

4U
Creature — Bird
Artist: Antonio José Manzanedo

Flash

Flying

When this creature enters, create a tapped Powerstone token. (It's an artifact with "T: Add C. This mana can't be spent to cast a nonartifact spell.")

3/3
$0.05 cheapest print

Prices

Set # Treatment Finish Price (USD)
The Brothers' War 55 Regular Nonfoil $0.05
The Brothers' War 55 Regular Foil $0.09

Price History

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Printings (1)

Koilos Roc — The Brothers' War
The Brothers' War
#55 Common $0.05
Regular Nonfoil Foil
Antonio José Manzanedo

Rulings

2022-10-14 wotc
You can use the {C} 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.
2022-10-14 wotc
Powerstone tokens are a kind of predefined token. Each one has the artifact subtype "Powerstone" and the ability "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell."
2022-10-14 wotc
Although all the cards in The Brothers' War 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.

Format Legality

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