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

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

Other Options
- Choice Specs
- Sludge Wave
- Thunderbolt