Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 248 HP / 128 Atk / 56 SpD / 76 Spe  
Adamant Nature  
- Sacred Fire  
- Earthquake  
- Defog  
- Whirlwind  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 184 HP / 72 Atk / 252 SpD  
Adamant Nature  
- Knock Off  
- Defog  
- Roost  
- Snarl  

Necrozma-Dusk-Mane @ Shed Shell  
Ability: Prism Armor  
EVs: 252 HP / 4 Atk / 252 Def  
Relaxed Nature  
- Sunsteel Strike  
- Photon Geyser  
- Stealth Rock  
- Moonlight  

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

Tangrowth @ Rocky Helmet  
Ability: Regenerator  
EVs: 252 HP / 4 Atk / 252 Def  
Relaxed Nature  
- Sleep Powder  
- Grass Knot  
- Earthquake  
- Knock Off  

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