Ho-Oh @ Choice Band  
Ability: Regenerator  
Shiny: Yes  
Tera Type: Flying  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Brave Bird  
- Sacred Fire  
- Earthquake  
- Dual Wingbeat  

Alomomola @ Heavy-Duty Boots  
Ability: Regenerator  
Tera Type: Dark  
EVs: 4 HP / 252 Def / 252 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Flip Turn  
- Toxic  
- Wish  
- Protect  

Giratina-Origin @ Griseous Core  
Ability: Levitate  
Tera Type: Steel  
EVs: 248 HP / 80 Def / 72 SpA / 64 SpD / 44 Spe  
Modest Nature  
IVs: 0 Atk  
- Draco Meteor  
- Hex  
- Defog  
- Thunder Wave  

Groudon @ Red Orb  
Ability: Desolate Land  
Tera Type: Ground  
EVs: 248 HP / 140 Def / 104 SpD  
Relaxed Nature  
- Precipice Blades  
- Stealth Rock  
- Rock Tomb  
- Overheat  

Ditto @ Choice Scarf  
Ability: Imposter  
Tera Type: Ghost  
EVs: 248 HP / 8 Atk / 252 Spe  
Jolly Nature  
IVs: 30 Atk  
- Transform  

Eternatus @ Heavy-Duty Boots  
Ability: Pressure  
Tera Type: Fairy  
EVs: 80 HP / 176 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Recover  
- Toxic  
- Toxic Spikes  
- Dynamax Cannon