Arceus @ Splash Plate  
Ability: Multitype  
Tera Type: Grass  
EVs: 104 HP / 196 Def / 4 SpD / 204 Spe  
Bold Nature  
IVs: 0 Atk  
- Foul Play  
- Will-O-Wisp  
- Toxic  
- Recover  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
Tera Type: Poison  
EVs: 240 HP / 212 Def / 56 SpD  
Careful Nature  
- Toxic  
- Thunder Wave  
- Sacred Fire  
- Whirlwind  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
Level: 99  
Shiny: Yes  
Tera Type: Ground  
EVs: 248 HP / 56 Def / 204 SpD  
Relaxed Nature  
IVs: 1 Spe  
- Precipice Blades  
- Stone Edge  
- Dragon Tail  
- Stealth Rock  

Rayquaza @ Sky Plate  
Ability: Air Lock  
Tera Type: Flying  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Dragon Ascent  
- V-create  
- Dragon Dance  
- Extreme Speed  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
Shiny: Yes  
Tera Type: Dark  
EVs: 96 HP / 244 Def / 168 SpD  
Bold Nature  
IVs: 18 Spe  
- Defog  
- Foul Play  
- Roost  
- U-turn  

Eternatus @ Life Orb  
Ability: Pressure  
Tera Type: Dragon  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Sludge Bomb  
- Recover  
- Fire Blast