Regieleki @ Altarianite  
Ability: Transistor  
EVs: 252 Atk / 128 SpA / 128 Spe  
Naughty Nature  
- Extreme Speed  
- Rapid Spin  
- Explosion  
- Volt Switch  

Urshifu @ Choice Band  
Ability: Unseen Fist  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Wicked Blow  
- Close Combat  
- Poison Jab  
- U-turn  

Magearna @ Manectite  
Ability: Soul-Heart  
EVs: 252 HP / 252 Def / 4 SpA  
Bold Nature  
IVs: 0 Atk  
- Fleur Cannon  
- Volt Switch  
- Heal Bell  
- Pain Split  

Mew @ Sablenite  
Ability: Synchronize  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Body Press  
- Stored Power  
- Cosmic Power  
- Soft-Boiled  

Rhyperior @ Tyranitarite  
Ability: Solid Rock  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Earthquake  
- Stone Edge  
- Swords Dance  
- Stealth Rock  

Eternatus @ Life Orb  
Ability: Pressure  
EVs: 136 Def / 220 SpA / 152 Spe  
Modest Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Sludge Bomb  
- Flamethrower  
- Recover