Eternatus @ Choice Specs  
Ability: Pressure  
Tera Type: Dragon  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Toxic Spikes  
- Dynamax Cannon  
- Sludge Bomb  
- Flamethrower  

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

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

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
Tera Type: Ground  
EVs: 252 HP / 24 Atk / 232 SpD  
Adamant Nature  
- Spikes  
- Earthquake  
- Rock Slide  
- Heat Crash  

Arceus-Dark @ Dread Plate  
Ability: Multitype  
Tera Type: Ghost  
EVs: 252 HP / 160 Def / 96 Spe  
Timid Nature  
IVs: 0 Atk  
- Foul Play  
- Recover  
- Taunt  
- Will-O-Wisp  

Giratina-Origin @ Griseous Core  
Ability: Levitate  
Tera Type: Poison  
EVs: 180 HP / 252 Atk / 76 Spe  
Adamant Nature  
- Poltergeist  
- Dragon Tail  
- Defog  
- Shadow Sneak