Rotom-Wash @ Choice Scarf  
Ability: Cursed Body  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Shadow Ball  
- Hydro Pump  
- Trick  
- Defog

Rotom-Wash @ Ghostium Z  
Ability: Cursed Body  
EVs: 4 Def / 252 SpA / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Hydro Pump  
- Defog  
- Will-O-Wisp  
- Shadow Ball