Regigigas @ Toxic Orb  
Ability: Poison Heal  
Tera Type: Normal  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Facade  
- Flip Turn  
- Knock Off  
- Spikes  

Zamazenta-Crowned @ Rocky Helmet  
Ability: Primordial Sea  
Tera Type: Fighting  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
- Flip Turn  
- Low Kick  
- Spectral Thief  
- Slack Off  

Dialga @ Assault Vest  
Ability: Regenerator  
Tera Type: Steel  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Core Enforcer  
- Nuzzle  
- Circle Throw  
- U-turn  

Yveltal @ Sharp Beak  
Ability: Aerilate  
Tera Type: Dark  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
- Boomburst  
- Rapid Spin  
- Volt Switch  
- Strength Sap  

Xerneas @ Pixie Plate  
Ability: Pixilate  
Tera Type: Fairy  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Naughty Nature  
- Boomburst  
- Extreme Speed  
- Flip Turn  
- V-create  

Ho-Oh @ Heavy-Duty Boots  
Ability: Desolate Land  
Tera Type: Fire  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- V-create  
- Glacial Lance  
- Shift Gear  
- Synthesis