Arceus-Water @ Splash Plate  
Ability: Multitype  
EVs: 252 HP / 132 Def / 124 Spe  
Bold Nature  
IVs: 0 Atk  
- Ice Beam  
- Recover  
- Refresh  
- Earth Power  

Tyranitar @ Shuca Berry  
Ability: Sand Stream  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Foul Play  
- Rest 
- Pursuit  
- Roar

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 252 HP / 204 Def / 52 SpD  
Impish Nature  
- Whirlwind
- Toxic 
- Sacred Fire  
- Defog  

Necrozma-Dusk-Mane @ Rocky Helmet  
Ability: Prism Armor  
EVs: 252 HP / 224 Def / 32 Spe  
Impish Nature  
- Thunder Wave  
- Sunsteel Strike  
- Morning Sun  
- Stealth Rock

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

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 252 HP / 4 Def / 252 SpD
Careful Nature  
- Rest 
- Precipice Blades  
- Stone Edge
- Swords Dance