Remnants of the legion

When your life total is 4 or less, if Remnants of the legion is an artifact, it becomes a 4/4 Spirit creature with flying.
Whenever Remnants of the legion blocks a creature, create a 1/1 white Spirit creature token with flying and lifelink that's blocking that creature.
When the legion failed to save the emperor, they pledged to safegaurd his heirs an oath they've kept for six centuries.