Ditto @ Choice Scarf  
Ability: Imposter  
Tera Type: Fairy  
EVs: 248 HP / 8 Atk / 252 Def  
Relaxed Nature  
IVs: 30 Atk / 30 SpA / 0 Spe  
- Transform  

Giratina-Origin @ Griseous Core  
Ability: Levitate  
Tera Type: Steel  
EVs: 248 HP / 192 Atk / 56 SpD / 12 Spe  
Adamant Nature  
- Poltergeist  
- Dragon Tail  
- Shadow Sneak  
- Will-O-Wisp  

Arceus-Fairy @ Pixie Plate  
Ability: Multitype  
Tera Type: Water  
EVs: 248 HP / 8 Def / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Judgment  
- Taunt  
- Calm Mind  
- Recover  

Eternatus @ Leftovers  
Ability: Pressure  
Tera Type: Fairy  
EVs: 248 HP / 164 SpD / 96 Spe  
Timid Nature  
- Sludge Bomb  
- Flamethrower  
- Toxic Spikes  
- Recover  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
Tera Type: Grass  
EVs: 248 HP / 172 Def / 76 SpD / 12 Spe  
Impish Nature  
- Sacred Fire  
- Brave Bird  
- Defog  
- Whirlwind  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
Tera Type: Ground  
EVs: 252 HP / 56 Def / 172 SpD / 28 Spe  
Relaxed Nature  
- Precipice Blades  
- Overheat  
- Dragon Tail  
- Stealth Rock