Builders vs. Guardians of the Universe
The (supposed) first sentient race in each universe go at each other.
Round 1:
Builders (all shown Creators and Engineers)
vs.
Guardians (original Guardians killed by Sinestrollax)
Round 2:
Team Builders (Those shown on panel only):
Creators
Engineers
Alephs
Gardeners
Abyss
& their Fleet
vs.
Guardians (same as round 1)
Hal Jordan
WL Kyle
Atrocitus
Bleeze
Larfleeze
Sinestro
Arkillo
Saint Walker
Brother Warth
Indigo-1
Munk
If Team Builders wins, Team Guardians gains the new Guardians that showed up after Sinestrollax killed the originals.
If Team Guardians wins, Team Guardians loses Larfleeeze