Banette @ Life Orb  
Ability: Frisk  
EVs: 252 Atk / 4 SpA / 252 Spe  
Naughty Nature  
- Shadow Ball  
- Shadow Sneak  
- Hidden Power [Fighting]  
- Pursuit

Banette @ Choice Band  
Ability: Frisk  
EVs: 4 HP / 252 Atk / 252 Spe  
Jolly Nature  
- Sucker Punch  
- Shadow Claw  
- Trick  
- Destiny Bond

Banette @ Choice Specs  
Ability: Insomnia  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
IVs: 3 Atk / 30 Def / 30 SpA / 30 SpD / 30 Spe  
- Shadow Ball  
- Hidden Power [Fighting]  
- Trick  
- Destiny Bond
---------------------
Optional Move(s): 
Pain Split
Will-O-Wisp
Taunt
Trick Room
Optional Item(s): 
Leftovers
Focus Sash
Optional Ability:  
N/A
Optional EV/IV(s): 
N/A