Gengar @ Choice Specs  
Ability: Levitate  
Tera Type: Ghost  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Trick  
- Shadow Ball  
- Sludge Wave  
- Focus Blast  

Gengar @ Life Orb  
Ability: Levitate  
Tera Type: Ghost  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Nasty Plot  
- Shadow Ball  
- Sludge Wave  
- Focus Blast  

Gengar @ Black Sludge  
Ability: Neutralizing Gas  
Tera Type: Ghost  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Hex  
- Focus Blast  
- Will-O-Wisp / Thunder Wave  
- Moonlight