Zygarde @ Leftovers  
Ability: Power Construct  
EVs: 200 HP / 252 Def / 56 Spe  
Impish Nature  
- Dragon Tail  
- Coil  
- Thousand Arrows  
- Rest  

Arceus-Water @ Splash Plate  
Ability: Multitype  
EVs: 248 HP / 220 Def / 40 Spe  
Bold Nature  
IVs: 0 Atk  
- Recover  
- Calm Mind  
- Judgment  
- Refresh  

Eternatus @ Black Sludge  
Ability: Pressure  
EVs: 208 HP / 252 SpD / 48 Spe  
Calm Nature  
IVs: 0 Atk  
- Sludge Bomb  
- Toxic Spikes  
- Flamethrower  
- Recover  

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

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 248 HP / 100 Def / 144 SpD / 16 Spe  
Careful Nature  
- Protect  
- Defog  
- Whirlwind  
- Sacred Fire  

Zacian-Crowned @ Rusted Sword  
Ability: Intrepid Sword  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Behemoth Blade  
- Protect  
- Crunch  
- Wild Charge