Grimmsnarl (M) @ Light Clay  
Ability: Prankster  
Tera Type: Dark  
EVs: 252 HP / 4 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Thunder Wave  
- Reflect  
- Light Screen  
- Parting Shot  

Calyrex-Ice @ Heavy-Duty Boots  
Ability: As One (Glastrier)  
Tera Type: Fire  
EVs: 248 HP / 252 Atk / 8 SpD  
Brave Nature  
- Trick Room  
- Swords Dance  
- Glacial Lance  
- High Horsepower  

Necrozma-Dusk-Mane @ Weakness Policy  
Ability: Prism Armor  
Tera Type: Fire  
EVs: 252 HP / 252 Atk / 4 SpA  
Brave Nature  
- Trick Room  
- Swords Dance  
- Photon Geyser  
- Earthquake  

Miraidon @ Electric Seed  
Ability: Hadron Engine  
Tera Type: Ghost  
EVs: 224 HP / 16 Def / 252 SpA / 16 Spe  
Modest Nature  
- Parabolic Charge  
- Dazzling Gleam  
- Calm Mind  
- Agility  

Arceus @ Silk Scarf  
Ability: Multitype  
Tera Type: Normal  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Swords Dance  
- Extreme Speed  
- Shadow Claw  
- Stone Edge  

Ditto @ Choice Scarf  
Ability: Imposter  
Tera Type: Fairy  
EVs: 248 HP / 8 Atk / 252 Def  
Impish Nature  
IVs: 30 Atk  
- Transform