Scarf (Gastly) @ Choice Scarf  
Ability: Levitate  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 3 Atk / 30 Def / 30 SpA / 30 SpD / 30 Spe  
- Shadow Ball  
- Sludge Bomb / Energy Ball / Thunderbolt  
- Hidden Power [Fighting] / Hidden Power [Ground] / Thunderbolt
- Trick / Destiny Bond