Rotom-Fan @ Mago Berry
Ability: Levitate  
EVs: 248 HP / 8 Def / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Volt Switch  
- Air Slash  
- Will-O-Wisp / Pain Split  
- Defog

Rotom-Fan @ Choice Scarf  
Ability: Levitate  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Volt Switch  
- Thunderbolt  
- Air Slash  
- Trick / Will-O-Wisp
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Optional Move(s): 
- Discharge
- Hidden Power [Ice]
- Hidden Power [Water]
- Substitute
- Toxic 
Optional Item(s): 
- Expert Belt
- Leftovers  
- Life Orb
Optional Ability:  
- N/A
Optional EV/IV(s): 
- 248 HP / 212 Def / 48 Spe (Bold)