Shaymin-Sky @ Life Orb  
Ability: Serene Grace  
Tera Type: Flying  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Seed Flare  
- Air Slash  
- Earth Power  
- Healing Wish  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
Tera Type: Grass  
EVs: 248 HP / 176 Atk / 20 Def / 56 SpD / 8 Spe  
Adamant Nature  
- Sacred Fire  
- Brave Bird  
- Defog  
- Thunder Wave  

Arceus-Dark @ Dread Plate  
Ability: Multitype  
Tera Type: Poison  
EVs: 248 HP / 164 Def / 96 Spe  
Timid Nature  
IVs: 0 Atk  
- Foul Play  
- Thunder Wave  
- Taunt  
- Recover  

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

Pheromosa @ Choice Band  
Ability: Beast Boost  
Tera Type: Fighting  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Close Combat  
- Triple Axel  
- U-turn  
- Rapid Spin  

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