Eternatus @ Expert Belt  
Ability: Pressure  
EVs: 40 HP / 152 SpA / 252 SpD / 64 Spe  
Modest Nature  
IVs: 0 Atk  
- Draco Meteor  
- Flamethrower  
- Recover  
- Sludge Bomb  

Zacian-Crowned @ Rusted Sword  
Ability: Intrepid Sword  
EVs: 4 HP / 252 Atk / 252 Spe  
Adamant Nature  
- Behemoth Blade  
- Wild Charge  
- Close Combat  
- Assurance  

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

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

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

Ditto @ Choice Scarf  
Ability: Imposter  
EVs: 248 HP / 8 Atk / 252 Def  
Relaxed Nature  
IVs: 0 Spe  
- Transform