...try adding a Nuke feature where 1 rocket kill activattes a nuke mode, which kills the entire enemy team in one shot
Again. Ebola Zaire warhead.
It has a 90% out 100% kill ratio and kills extremely quickly. And unlike a nuke ebola will go on forever, so long as there are human hosts for supreme amplification. It is a bio-safety level 4 pathogen and is airborne, with extreme infectivity rates.