Regieleki @ Heavy-Duty Boots  
Ability: Transistor  
EVs: 96 Atk / 164 SpA / 12 SpD / 236 Spe  
Mild Nature  
- Volt Switch  
- Explosion  
- Thunder  
- Thunder Cage  

Kyogre @ Choice Scarf  
Ability: Drizzle  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Water Spout  
- Origin Pulse  
- Thunder  
- Ice Beam  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 248 HP / 16 Atk / 244 SpD  
Careful Nature  
IVs: 18 Spe  
- Roost  
- U-turn  
- Defog  
- Knock Off  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
EVs: 244 HP / 252 Def / 12 Spe  
Impish Nature  
- Sunsteel Strike  
- Moonlight  
- Earthquake  
- Stealth Rock  

Eternatus @ Heavy-Duty Boots  
Ability: Pressure  
EVs: 232 HP / 252 SpD / 24 Spe  
Timid Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Recover  
- Sludge Bomb  
- Flamethrower  

Mewtwo @ Heavy-Duty Boots  
Ability: Pressure  
EVs: 248 HP / 20 Def / 56 SpA / 184 Spe  
Timid Nature  
IVs: 0 Atk  
- Psystrike  
- Recover  
- Ice Beam  
- Will-O-Wisp