Kyogre @ Wacan Berry  
Ability: Drizzle  
EVs: 252 HP / 252 Def / 4 SpA  
Bold Nature  
IVs: 0 Atk  
- Block  
- Calm Mind  
- Rest  
- Scald  

Eternatus @ Black Sludge  
Ability: Pressure  
EVs: 252 HP / 232 SpD / 24 Spe  
Timid Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Recover  
- Mystical Fire  
- Toxic  

Calyrex-Shadow @ Choice Scarf  
Ability: As One (Spectrier)  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Astral Barrage  
- Psyshock  
- Trick  
- Aromatherapy  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 252 HP / 4 Def / 252 SpD  
Sassy Nature  
- Knock Off  
- U-turn  
- Roost  
- Defog  

Necrozma-Dusk-Mane @ Rocky Helmet  
Ability: Prism Armor  
EVs: 252 HP / 4 Atk / 252 Def  
Impish Nature  
- Sunsteel Strike  
- Moonlight  
- Stealth Rock  
- Earthquake  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 248 HP / 200 Def / 60 SpD  
Impish Nature  
- Sacred Fire  
- Thunder Wave  
- Whirlwind  
- Defog