Palkia @ Shed Shell  
Ability: Fur Coat  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Relaxed Nature  
- Core Enforcer  
- Roost  
- Spikes  
- Spectral Thief  

Eternatus @ Dragon Fang  
Ability: Dragon's Maw  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Volt Switch  
- Dragon Energy  
- Shore Up  
- Sludge Bomb  

Regigigas @ Toxic Orb  
Ability: Poison Heal  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- U-turn  
- Knock Off  
- Nuzzle  
- Facade  

Solgaleo @ Leftovers  
Ability: Prankster  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Careful Nature  
- Anchor Shot  
- Entrainment  
- Haze  
- Soft-Boiled  

Zacian @ Fairy Memory  
Ability: Tough Claws  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Swords Dance  
- Multi-Attack  
- Fishious Rend  
- V-create  

Ho-Oh @ Heavy-Duty Boots  
Ability: Aerilate  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Rapid Spin  
- Fire Lash  
- Shore Up  
- U-turn