Doomdestine (Deoxys-Attack) @ Life Orb  
Ability: Protean  
EVs: 252 HP / 252 Atk / 252 SpA / 252 Spe  
Hasty Nature  
IVs: 0 Def / 0 SpD  
- Fishious Rend  
- V-create  
- Astral Barrage  
- Glacial Lance  

Kyogre-Primal @ Assault Vest  
Ability: Regenerator  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Revelation Dance  
- Rapid Spin  
- U-turn  
- Core Enforcer  

Zygarde-Complete @ Covert Cloak  
Ability: Fur Coat  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Thousand Waves  
- Topsy-Turvy  
- Volt Switch  
- Heal Order  

Arceus-Ghost @ Spooky Plate  
Ability: Fur Coat  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
- Take Heart  
- Knock Off  
- Judgment  
- Strength Sap  

Groudon @ Red Orb  
Ability: Dauntless Shield  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Mortal Spin  
- V-create  
- Heal Order  
- Headlong Rush  

Regigigas @ Assault Vest  
Ability: Regenerator  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD  
Brave Nature  
IVs: 0 Spe  
- Spectral Thief  
- Extreme Speed  
- U-turn  
- Stone Axe