Arceus-Fairy @ Pixie Plate  
Ability: Pixilate  
Tera Type: Fairy  
EVs: 248 HP / 252 Atk / 8 Spe  
Adamant Nature  
- Swords Dance  
- Extreme Speed  
- Recover  
- Earthquake  

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

Necrozma-Dusk-Mane @ Leftovers  
Ability: Fur Coat  
Tera Type: Psychic  
EVs: 252 HP / 4 Atk / 252 Def  
Impish Nature  
- Dragon Dance  
- Sunsteel Strike  
- Morning Sun  
- Earthquake  

Eternatus @ Heavy-Duty Boots  
Ability: Ice Scales  
Tera Type: Poison  
EVs: 252 HP / 212 SpD / 44 Spe  
Calm Nature  
IVs: 0 Atk  
- Toxic  
- Flamethrower  
- Dynamax Cannon  
- Recover  

Magearna @ Assault Vest  
Ability: Regenerator  
Tera Type: Steel  
EVs: 252 HP / 4 Def / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Volt Switch  
- Fleur Cannon  
- Iron Head  
- Ice Beam  

Ho-Oh @ Leftovers  
Ability: Magic Guard  
Tera Type: Fire  
EVs: 252 HP / 4 Atk / 252 Def  
Impish Nature  
- Brave Bird  
- Whirlwind  
- Recover  
- Sacred Fire