name: Boros Keyrune
originalText: {T}: Add {R} or {W}.\n{R}{W}: Boros Keyrune becomes a 1/1 red and white Soldier artifact creature with double strike until end of turn.
printings: GK1, GTC
text: {T}: Add {R} or {W}.\n{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.)
type: Artifact