Necrozma-Dusk-Mane @ Rocky Helmet  
Ability: Prism Armor  
EVs: 248 HP / 252 Def / 8 Spe  
Impish Nature  
- Stealth Rock  
- Moonlight  
- Sunsteel Strike  
- Earthquake  

Eternatus @ Sitrus Berry  
Ability: Pressure  
EVs: 252 HP / 164 SpD / 92 Spe  
Timid Nature  
IVs: 0 Atk  
- Recover  
- Mystical Fire  
- Sludge Bomb  
- Dynamax Cannon  

Kyogre @ Leftovers  
Ability: Drizzle  
EVs: 252 HP / 240 Def / 16 Spe  
Bold Nature  
IVs: 0 Atk  
- Calm Mind  
- Rest  
- Roar  
- Scald  

Yveltal @ Choice Band  
Ability: Dark Aura  
EVs: 252 Atk / 72 SpD / 184 Spe  
Adamant Nature  
- Roost  
- Dual Wingbeat  
- Sucker Punch  
- Knock Off  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 248 HP / 8 Def / 252 SpD  
Careful Nature  
- Defog  
- Thunder Wave  
- Whirlwind  
- Flare Blitz  

Marshadow @ Life Orb  
Ability: Technician  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Poltergeist  
- Close Combat  
- Ice Punch  
- Shadow Sneak