Best Emerald Pokemon Team!! Need Help!

OK, so this is the basic rundown, there's a poke battle coming up with my friend and i have no clue what pokemon to pick for this. I have my teams for fire red, soulsilver, platinum, but i cant seem to come up with one for emerald. Does anyone have any suggestions? My starter is Mudkip. Here are the basic rules, the level cap is 50 (we're starting from scratch and don't want to go all the way to 100), also there's no legendary allowed, and no trading. Can anyone plz help?

ludicolo, swampert with eartquake you can kill muchdo you except clones yes then clone a couple swamperts

if its a double match make sure u have earthqauke + flying type monster or else u kill urself :Phow to clone? :O