Green Lantern: New Guardians #37 (Godhead)

Godhead act 3, part 3: The clock is ticking for the multi-colored Lanterns to stop the takeover of the Universe by the New Gods. But their ranks are rapidly thinning, and their greatest hope is out of commission! Hope comes in many forms, though, and Saint Walker, erstwhile member of the Blue Lanterns, will make a discovery that will prove pivotal to the fate of all!