Short-term team made up of Four Green Lanterns of Space Sector 2814 who briefly wore rings of their rival corps in order to defeat Krona, a once-was Guardian of the Universe who went mad trying to find out the secrets of universal creation, destroying entire universes while on his quest.
These four Lanterns of Earth were chosen from the emotional spectrum they pocess the most.
Hal Jordan - Sinestro Corps
John Stewart - Indigo Tribe
Kyle Rayner - Blue Lantern Corps
Guy Gardner - Red Lantern Corps