Mesprit @ Choice Band / Choice Scarf
Ability: Levitate  
EVs: 252 Atk / 4 SpA / 252 Spe  
Hasty Nature  
- U-turn  
- Zen Headbutt  
- Healing Wish  
- Ice Beam

Haunter @ Leftovers / Eviolite
Ability: Levitate  
EVs: 252 HP / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Toxic  
- Disable  
- Protect  
- Mean Look
 
[en OU] (Bibarel) @ Focus Sash  
Ability: Simple  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Swords Dance  
- Quick Attack  
- Return  
- Waterfall