A blinding flash of emerald energy heralds the arrival of Earth's most courageous protector, Green Lantern. Serving the omnipotent Guardians of the Universe, Hal Jordan is armed with a mighty Power Ring, which can do anything its wearer wills it to do, from creating giant battering rams of nets to warping the very fabric of space and time! He must, however, use the ring with care -- its energy is useless against the color yellow!*
*Source = back of card.