Green Lantern New Guardians #4

"The Green Lanterns' homeworld is under attack! Members of each of the Lantern Corps have laid siege to the powerful Guardians of the Universe to reclaim their stolen power rings, but only now has the Orange Lantern Larfleeze entered the fray and he's not alone. The secret behind the stolen rings will be revealed and the status of Kyle Rayner within the Green Lantern Corps will be changed - forever!"