Necrozma-Dusk-Mane @ Life Orb  
Ability: Prism Armor  
EVs: 56 HP / 252 Atk / 8 SpD / 192 Spe  
Adamant Nature  
- Dragon Dance  
- Sunsteel Strike  
- Psychic Fangs  
- Earthquake  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 248 HP / 76 SpD / 184 Spe  
Jolly Nature  
- Knock Off  
- Foul Play  
- Toxic  
- Roost  

Eternatus @ Black Sludge  
Ability: Pressure  
EVs: 252 HP / 156 SpA / 100 Spe  
Timid Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Sludge Bomb  
- Flamethrower  
- Recover  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 248 HP / 4 Atk / 184 Def / 52 SpD / 20 Spe  
Adamant Nature  
- Sacred Fire  
- Brave Bird  
- Defog  
- Recover  

Ferrothorn @ Leftovers  
Ability: Iron Barbs  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Leech Seed  
- Stealth Rock  
- Power Whip  
- Thunder Wave  

Kyogre @ Leftovers  
Ability: Drizzle  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Calm Mind  
- Scald  
- Ice Beam  
- Rest