Zamazenta-Crowned @ Fighting Memory  
Ability: Tough Claws  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Wicked Blow  
- Multi-Attack  
- Sunsteel Strike  
- Swords Dance  

porridge (Regigigas) @ Toxic Orb  
Ability: Poison Heal  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Swords Dance  
- Nuzzle  
- Facade  
- Knock Off  

Ho-Oh @ Life Orb  
Ability: Magic Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Careful Nature  
- Nuzzle  
- Fire Lash  
- Brave Bird  
- Slack Off  

Groudon @ Leftovers  
Ability: Fur Coat  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
- Thousand Waves  
- Entrainment  
- Spikes  
- Roost  

Eternatus @ Black Sludge  
Ability: Ice Scales  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Sludge Bomb  
- Core Enforcer  
- Trick  
- Slack Off  

Xerneas @ Heavy-Duty Boots  
Ability: Pixilate  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
- Rapid Spin  
- Boomburst  
- Volt Switch  
- Strength Sap