Here are a couple of halo 2 set ideas
• A halo 2 scarab with a red and blue elite 2 purple grunts and 2 jackals with an energy sword, carbine, beam rifle,plasma pistal, energy shield, needler, and, 2 plasma
gernades
• A heretic ghost with heretic grunt and a plasma pistal
and I know there wasn't a heretic ghost on the game.