name=Boros Keyrune
image=https://magiccards.info/scans/en/gtc/227.jpg
value=2.915
rarity=U
type=Artifact
cost={3}
ability={T}: Add {R} or {W}.;\
        {R}{W}: SN becomes a 1/1 red and white Soldier artifact creature with double strike until end of turn.
timing=artifact
mana_or_combat
oracle={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.