Mamoswine @ Life Orb  
Ability: Adaptability  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Earthquake  
- Icicle Crash  
- Ice Shard  
- Stealth Rock  

Slowbro @ Leftovers  
Ability: Dauntless Shield  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
IVs: 0 Atk / 12 Spe  
- Scald  
- Body Press  
- Slack Off  
- Teleport  

Noivern @ Choice Specs  
Ability: Aerilate  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Boomburst  
- Switcheroo  
- Roost  
- U-turn  

Magearna @ Assault Vest  
Ability: Regenerator  
EVs: 252 HP / 4 SpA / 252 SpD  
Calm Nature  
IVs: 0 Atk / 30 Spe  
- Fleur Cannon  
- Volt Switch  
- Focus Blast  
- Shadow Ball  

Volcarona @ Heavy-Duty Boots  
Ability: Desolate Land  
EVs: 200 Def / 148 SpA / 160 Spe  
Modest Nature  
IVs: 0 Atk  
- Quiver Dance  
- Flamethrower  
- Roost  
- Bug Buzz  

Corviknight @ Leftovers  
Ability: Flash Fire  
EVs: 248 HP / 132 Def / 128 SpD  
Careful Nature  
IVs: 30 Spe  
- Brave Bird  
- Roost  
- Defog  
- U-turn