Volbeat Gen5

Volbeat (M) @ Leftovers
Ability: Prankster
Happiness: 0
EVs: 248 HP / 252 Def / 8 SpD
Impish Nature
- Thunder Wave / Sunny Day / Rain Dance
- Encore
- Roost
- U-turn

You can also use Volbeat to set weather very well. If you do, replace Thunder Wave with the weather of your choice and remember to use Damp/Heat Rock as well.