Necrozma @ Choice Band  
Ability: Prism Armor  
Tera Type: Psychic  
EVs: 252 HP / 116 Atk / 40 Def / 96 SpD / 4 Spe  
Adamant Nature  
- Photon Geyser  
- Rock Blast  
- Earthquake  
- Outrage  

Registeel @ Leftovers  
Ability: Clear Body  
Tera Type: Steel  
EVs: 248 HP / 172 Def / 84 SpD / 4 Spe  
Calm Nature  
IVs: 0 Atk  
- Body Press  
- Iron Defense  
- Amnesia  
- Rest  

Primarina @ Custap Berry  
Ability: Torrent  
Tera Type: Water  
EVs: 252 HP / 164 Def / 64 SpA / 28 Spe  
Modest Nature  
IVs: 0 Atk  
- Hydro Cannon  
- Moonblast  
- Encore  
- Endure