Haunter @ Choice Scarf  
Ability: Levitate  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Shadow Ball  
- Sludge Wave / Sludge Bomb
- Dazzling Gleam / Thunderbolt
- Trick / Destiny Bond

Haunter @ Life Orb  
Ability: Levitate  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Shadow Ball  
- Sludge Wave / Sludge Bomb
- Dazzling Gleam / Thunderbolt / Will-O-Wisp
- Taunt / Substitute / Destiny Bond / Pain Split