During Galactic Conquest or Conquest in Instant Action, choose the Republic or Rebel Alliance, then buy the "leader" bonus and play on Dagobah: Swamp (in Battlefront II), then take Yoda at every chance you get. Once you've done that, go to the swamp area, where units are really hard to hit from the cover that the water gives them. Because Yoda is so short, he can't be hit when in the water, so you can just hack 'n' slash without care. One thing: the water doesn't protect against grenades, so if you hear that "tink tink" noise, get out!