I want to preface this by saying that I'm not a top level player, so don't laugh me out of the building too hard, but I've been doing really well with Jolly Bruxish with Dazzling.
:sv/bruxish:
Bruxish @ Sitrus Berry
Ability: Dazzling
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Aqua Jet
- Wave...