Description
| Set: | Gatecrash |
| Type: | Artifact |
| Rarity: | uncommon |
| Cost: | {3} |
{T}: Add {R} or {W}.
{R}{W}: This artifact 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.)

![Boros Keyrune (227) [Gatecrash]](http://alwaysgames.ca/cdn/shop/files/67397_in_1000x1000_d8fa7561-9cdc-44f3-9952-87607d2a73d9.jpg?v=1771491850&width=672)