Arceus-Water @ Splash Plate  
Ability: Multitype  
EVs: 248 HP / 240 Def / 20 Spe  
Bold Nature  
- Judgment  
- Toxic  
- Recover  
- Refresh  

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

Rayquaza-Mega @ Life Orb  
Ability: Delta Stream  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Swords Dance  
- Dragon Ascent  
- V-create  
- Extreme Speed  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 248 HP / 208 Def / 52 SpD  
Impish Nature  
- Defog  
- Toxic  
- Sacred Fire  
- Whirlwind  

Zygarde @ Weakness Policy  
Ability: Power Construct  
EVs: 12 HP / 208 Atk / 48 SpD / 240 Spe  
Adamant Nature  
- Dragon Dance  
- Stone Edge  
- Thousand Arrows  
- Outrage  

Eternatus @ Life Orb  
Ability: Pressure  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Toxic Spikes  
- Flamethrower  
- Dynamax Cannon  
- Recover