When you reach Shade's gym, there would be wild Magnemites, which are good when they evolve to Magneton. There also the Electrike, which is okay I guess.
There are also Bunnelby in the Beryl Cementery.
Diggersby tho
...
Can't tell if troll, or for real.
Actually about to try this right now and thinking about how much of an idiot I am.
EDIT: Feel extremely stupid lol
Ultra Ball available for purchase at Agate Circus
Moon Ball, Net Ball, Dive Ball, Nest Ball, Timer Ball, Friend ball, Fast Ball, Heavy Ball, Love Ball available for purchase in Obsidia Ward next to the salon.
So I finished episode 12 in 30 hours while listening to shofu and his walkthrough, and I got my poison team! =)
Although it's not exactly the same as I originally wanted, it's fine I guess.
Anybody know the drop percent of Black Sludges on Trubbish? =/