Description
| Set: | GRN Guild Kit |
| 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 (96) [GRN Guild Kit]](http://alwaysgames.ca/cdn/shop/files/177407_in_1000x1000_6a1d8b8d-1991-4e04-ab5f-d84a18592ed5.jpg?v=1771491851&width=716)