Zygarde @ Chesto Berry  
Ability: Power Construct  
EVs: 80 HP / 220 Atk / 128 Def / 80 Spe  
Adamant Nature  
- Dragon Dance  
- Coil  
- Thousand Arrows  
- Rest  

Kyogre @ Leftovers  
Ability: Drizzle  
EVs: 248 HP / 216 Def / 44 Spe  
Bold Nature  
IVs: 0 Atk  
- Calm Mind  
- Scald  
- Sleep Talk  
- Rest  

Necrozma-Dusk-Mane @ Rocky Helmet  
Ability: Prism Armor  
EVs: 252 HP / 240 Def / 16 Spe  
Impish Nature  
- Stealth Rock  
- Sunsteel Strike  
- Knock Off  
- Morning Sun  

Eternatus @ Haban Berry  
Ability: Pressure  
EVs: 160 HP / 4 Def / 76 SpA / 144 SpD / 124 Spe  
Modest Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Sludge Bomb  
- Recover  
- Flamethrower  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 48 HP / 4 Def / 204 SpD / 252 Spe  
Jolly Nature  
IVs: 0 Atk  
- Defog  
- Foul Play  
- Roost  
- Taunt  

Calyrex-Shadow @ Choice Scarf  
Ability: As One (Spectrier)  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
- Astral Barrage  
- Psyshock  
- Trick  
- Aromatherapy