Haunter @ Life Orb  
Ability: No Guard  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Hypnosis  
- Zap Cannon  
- Hex  
- Sludge Bomb  

Haunter @ Life Orb  
Ability: Merciless  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Hex  
- Venoshock  
- Sludge Bomb  
- Knock Off / Dazzling Gleam

Haunter @ Black Sludge  
Ability: Normalize  
EVs: 252 HP / 4 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Skill Swap  
- Mean Look  
- Perish Song  
- Shadow Ball / Taunt