Regigigas @ Toxic Orb  
Ability: Poison Heal  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Facade  
- Spectral Thief  
- Shift Gear  
- Baton Pass  

Eternatus @ Life Orb  
Ability: Magic Bounce  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Draco Meteor  
- Thunder Cage  
- Earth Power  
- Nasty Plot  

Dialga @ Assault Vest  
Ability: Regenerator  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Nuzzle  
- Core Enforcer  
- U-turn  
- Spectral Thief  

Calyrex-Ice @ Heavy-Duty Boots  
Ability: Simple  
Shiny: Yes  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Glacial Lance  
- Shift Gear  
- Strength Sap  
- Anchor Shot  

Ho-Oh @ Life Orb  
Ability: Magic Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Brave Bird  
- Rapid Spin  
- Shore Up  
- V-create  

Giratina @ Griseous Orb  
Ability: Prankster  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Core Enforcer  
- Haze  
- Parting Shot  
- Soft-Boiled