Registeel @ Leftovers  
Ability: Clear Body  
EVs: 252 HP / 4 Def / 252 SpD  
Calm Nature  
- Stealth Rock  
- Toxic  
- Iron Head  
- Protect  

Azelf @ Expert Belt  
Ability: Levitate  
EVs: 4 Atk / 252 SpA / 252 Spe  
Naive Nature  
- Psychic  
- Fire Blast  
- Knock Off  
- U-turn  

Mandibuzz (F) @ Heavy-Duty Boots  
Ability: Overcoat  
EVs: 248 HP / 164 Def / 96 Spe  
- Foul Play  
- Defog  
- U-turn  
- Roost  

Rotom-Wash @ Leftovers  
Ability: Levitate  
EVs: 252 HP / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Volt Switch  
- Hydro Pump  
- Pain Split  
- Will-O-Wisp  

Mamoswine @ Choice Band  
Ability: Thick Fat  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Icicle Crash  
- Ice Shard  
- Knock Off  
- Earthquake  

Thundurus-Therian (M) @ Heavy-Duty Boots  
Ability: Volt Absorb  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Volt Switch  
- Thunderbolt  
- Psychic  
- Focus Blast