Warlord Alpha: Ability to crash the spirit of fire on to the map, thereby taking out an enemies' entire half of the map.
Breakdancing marines. There needs to be breakdancing marines.
Oh, and instead of ODSTs being hotdropped, grizzly tanks should be hot dropped. But you should be able to drop 20 of them without population restriction, and they should crush any units they fall on top of, including bases.
that would be a good idea
I...I am a Monument of your sins
Gravemind
I..I am taking the fight to the N O o B s!!!!
-flipyap the leader of all of the grunts