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

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 248 HP / 192 Atk / 52 SpD / 16 Spe  
Adamant Nature  
- Sacred Fire  
- Brave Bird  
- Thunder Wave  
- Defog  

Landorus-Therian (M) @ Leftovers  
Ability: Intimidate  
EVs: 248 HP / 252 Def / 8 Spe  
Impish Nature  
- Earthquake  
- Toxic  
- U-turn  
- Stealth Rock  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
EVs: 252 HP / 136 SpD / 120 Spe  
Careful Nature  
- Dragon Dance  
- Moonlight  
- Iron Head  
- Thunder Wave  

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

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 16 HP / 240 SpD / 252 Spe  
Jolly Nature  
- Knock Off  
- Taunt  
- Defog  
- Roost