Groudon @ Ability Shield  
Ability: Ice Scales  
Tera Type: Ground  
EVs: 252 HP / 252 Atk / 4 SpD  
Adamant Nature  
- Stealth Rock  
- Precipice Blades  
- Bulk Up  
- Heat Crash  

Ho-Oh @ Heavy-Duty Boots  
Ability: Fur Coat  
Tera Type: Fire  
EVs: 248 HP / 252 Atk / 8 SpD  
Adamant Nature  
- Sacred Fire  
- Brave Bird  
- Recover  
- Whirlwind  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Well-Baked Body  
Tera Type: Psychic  
EVs: 252 HP / 4 Atk / 252 Def  
Impish Nature  
- Dragon Dance  
- Knock Off  
- Morning Sun  
- Sunsteel Strike  

Deoxys-Attack @ Focus Sash  
Ability: Mold Breaker  
Tera Type: Psychic  
EVs: 252 Atk / 4 SpA / 252 Spe  
Hasty Nature  
- Psycho Boost  
- Ice Beam  
- Knock Off  
- Extreme Speed  

Miraidon @ Choice Scarf  
Ability: Hadron Engine  
Tera Type: Electric  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Electro Drift  
- U-turn  
- Draco Meteor  
- Overheat  

Zacian-Crowned @ Rusted Sword  
Ability: Intrepid Sword  
Tera Type: Fairy  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Swords Dance  
- Play Rough  
- Behemoth Blade  
- Wild Charge