Regieleki @ Light Clay  
Ability: Transistor  
Tera Type: Ghost  
EVs: 252 HP / 4 Atk / 252 Spe  
Jolly Nature  
- Reflect  
- Light Screen  
- Rapid Spin  
- Explosion  

Xerneas @ Power Herb  
Ability: Fairy Aura  
Tera Type: Electric  
EVs: 48 HP / 24 Def / 252 SpA / 184 Spe  
Timid Nature  
IVs: 0 Atk  
- Geomancy  
- Moonblast  
- Thunder  
- Substitute  

Arceus @ Silk Scarf  
Ability: Multitype  
Tera Type: Ghost  
EVs: 236 HP / 252 Atk / 20 Spe  
Adamant Nature  
- Swords Dance  
- Extreme Speed  
- Shadow Claw  
- Recover  

Marshadow @ Life Orb  
Ability: Technician  
Tera Type: Fighting  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Bulk Up  
- Close Combat  
- Poltergeist  
- Shadow Sneak  

Necrozma-Dusk-Mane @ Ultranecrozium Z  
Ability: Prism Armor  
Tera Type: Psychic  
EVs: 252 Atk / 4 SpA / 252 Spe  
Naive Nature  
- Dragon Dance  
- Photon Geyser  
- Earthquake  
- Stone Edge  

Ditto @ Choice Scarf  
Ability: Imposter  
Tera Type: Fairy  
EVs: 252 HP / 4 Atk / 252 Def  
Impish Nature  
IVs: 30 Atk  
- Transform