Eternatus @ Rocky Helmet  
Ability: Pressure  
Tera Type: Poison  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Dragon Pulse  
- Flamethrower  
- Toxic  
- Recover  

Regieleki @ Altarianite  
Ability: Transistor  
Tera Type: Electric  
EVs: 8 HP / 252 Atk / 60 Def / 188 Spe  
Naughty Nature  
- Extreme Speed  
- Volt Switch  
- Rapid Spin  
- Supercell Slam  

Arceus-Ground @ Earth Plate  
Ability: Multitype  
Tera Type: Ground  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Judgment  
- Ice Beam  
- Will-O-Wisp  
- Recover  

Corviknight @ Sablenite  
Ability: Pressure  
Tera Type: Flying  
EVs: 252 HP / 80 Def / 176 SpD  
Sassy Nature  
IVs: 0 Spe  
- Brave Bird  
- Defog  
- Roost  
- U-turn  

Necrozma-Dusk-Mane @ Weakness Policy  
Ability: Prism Armor  
Tera Type: Psychic  
EVs: 4 HP / 252 Atk / 252 Spe  
Jolly Nature  
- Dragon Dance  
- Photon Geyser  
- Sunsteel Strike  
- Morning Sun  

Samurott-Hisui @ Metagrossite  
Ability: Sharpness  
Tera Type: Water  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Liquidation  
- Ceaseless Edge  
- Flip Turn  
- Encore