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

Groudon-Primal @ Red Orb  
Ability: Drought  
Tera Type: Ground  
EVs: 248 HP / 112 Atk / 140 Def / 8 SpD  
Impish Nature  
- Precipice Blades  
- Stone Edge  
- Swords Dance  
- Stealth Rock  

Arceus-Fairy @ Pixie Plate  
Ability: Multitype  
Tera Type: Poison  
EVs: 216 HP / 156 Def / 136 Spe  
Timid Nature  
IVs: 0 Atk  
- Judgment  
- Recover  
- Taunt  
- Calm Mind  

Giratina-Origin @ Griseous Core  
Ability: Levitate  
Tera Type: Steel  
EVs: 248 HP / 228 Atk / 20 Def / 12 Spe  
Adamant Nature  
- Poltergeist  
- Dragon Tail  
- Defog  
- Shadow Sneak  

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  

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