I've got to admit Dark Mono on Emerald looks pretty good. But Brawly would just be insanity!!!
I HIGHLY reccomend getting yanmega for your team, with tinted lens no pokemon resists his STAB attacks making very good use of the choice specs from the lake of rage. He also gets ancient power and has a much higher SpA then butterfree.
I'll probably go with either Bug or Psychic. I want Psychic bad but only Unown until Azalea is just gruesome. ;_;
EDIT: Decided on Ground. ;_; Any tips for Sprout Tower? >____>
Get an HM Slave(Pelipper), which is better than using a uber legendary. No other choice. Don't use it in your team to level up, though. It is a slave, after all.
Who would've thought you'd need to get a slave for Fly and Surf? lol
Edit: Pelipper cannot use Waterfall, so you'll need two slaves now.