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

Yveltal @ Choice Band  
Ability: Dark Aura  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Knock Off  
- U-turn  
- Foul Play  
- Sucker Punch  

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

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 248 HP / 8 Def / 252 SpD  
Careful Nature  
- Foul Play  
- Roost  
- U-turn  
- Defog  

Skarmory @ Leftovers  
Ability: Sturdy  
EVs: 252 HP / 252 Def / 4 Spe  
Impish Nature  
IVs: 0 Atk  
- Spikes  
- Roost  
- Body Press  
- Whirlwind  

Eternatus @ Heavy-Duty Boots  
Ability: Pressure  
EVs: 164 HP / 252 SpD / 92 Spe  
Timid Nature  
- Dynamax Cannon  
- Recover  
- Flamethrower  
- Dragon Tail