Substitute (Gastly) @ Life Orb / Black Glasses
Ability: Levitate  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Substitute  
- Shadow Ball  
- Sludge Bomb  
- Pain Split / Dazzling Gleam / Will-O-Wisp / Disable

Choice Scarf (Gastly) @ Choice Scarf  
Ability: Levitate  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Shadow Ball  
- Sludge Bomb  
- Trick  
- Destiny Bond  

Choice Specs (Gastly) @ Choice Specs  
Ability: Levitate  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Shadow Ball  
- Sludge Bomb  
- Dazzling Gleam  
- Trick