Eternatus @ Life Orb  
Ability: Pressure  
Level: 50  
Tera Type: Poison  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Draco Meteor  
- Venoshock  
- Sludge Bomb  
- Protect  

Ho-Oh  
Ability: Regenerator  
Level: 50  
Shiny: Yes  
Tera Type: Grass  
EVs: 204 HP / 76 Atk / 156 Def / 4 SpD / 68 Spe  
Adamant Nature  
- Sacred Fire  
- Whirlwind  
- Protect  
- Tailwind  

Toxapex  
Ability: Regenerator  
Level: 50  
Shiny: Yes  
Tera Type: Dark  
EVs: 252 HP / 140 Def / 116 SpD  
Bold Nature  
IVs: 0 Atk  
- Toxic Spikes  
- Baneful Bunker  
- Wide Guard  
- Toxic