Melmetal @ Choice Band  
Ability: Iron Fist  
EVs: 252 Atk / 28 SpD / 228 Spe  
Jolly Nature  
- Double Iron Bash  
- Thunder Punch  
- Superpower  
- Rock Slide  

Mienshao @ Choice Scarf  
Ability: Regenerator  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Close Combat  
- Knock Off  
- U-turn  
- Stone Edge  

Rotom-Wash @ Leftovers  
Ability: Levitate  
EVs: 252 HP / 8 Def / 248 Spe  
Timid Nature  
IVs: 0 Atk  
- Volt Switch  
- Hydro Pump  
- Pain Split  
- Defog  

Hippowdon @ Leftovers  
Ability: Sand Stream  
EVs: 252 HP / 248 SpD / 8 Spe  
Careful Nature  
- Earthquake  
- Stealth Rock  
- Toxic  
- Slack Off  

Nihilego @ Power Herb  
Ability: Beast Boost  
EVs: 80 Def / 176 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Meteor Beam  
- Sludge Wave  
- Thunderbolt  
- Grass Knot  

Altaria-Mega @ Altarianite  
Ability: Natural Cure  
EVs: 252 HP / 36 Def / 204 SpA / 16 Spe  
Modest Nature  
IVs: 0 Atk  
- Hyper Voice  
- Roost  
- Fire Blast  
- Toxic