Boros Keyrune Tweet Out of stock. $0.40 Wishlist Details Color: Artifact Card Text: T: Add R or W to your mana poolRW: Boros Keyrune becomes a 1/1 red and white Soldier artifact creature with double strike until end of turn. (It deals both first-strike and regular combat damage.) Rarity: U Cost: 3 Card Type: Artifact Artist: Daniel Ljunggren Name: Boros Keyrune Finish: Regular Card Number: 223/249 Set Name: Gatecrash