Groudon-Primal @ Red Orb  
Ability: Desolate Land  
Hidden Power: Flying  
Tera Type: Ground  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Stealth Rock  
- Swords Dance  
- Heat Crash  
- Precipice Blades  

Grimmsnarl @ Light Clay  
Ability: Prankster  
Tera Type: Ghost  
EVs: 252 HP / 4 Atk / 252 SpD  
Careful Nature  
- Reflect  
- Light Screen  
- Taunt  
- Play Rough  

Xerneas @ Power Herb  
Ability: Fairy Aura  
Tera Type: Fairy  
EVs: 168 Def / 252 SpA / 88 Spe  
Modest Nature  
IVs: 0 Atk  
- Moonblast  
- Thunderbolt  
- Focus Blast  
- Geomancy  

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

Necrozma-Dusk-Mane @ Ultranecrozium Z  
Ability: Prism Armor  
Tera Type: Psychic  
EVs: 224 Atk / 32 Def / 252 Spe  
Jolly Nature  
- X-Scissor  
- Dragon Dance  
- Earthquake  
- Photon Geyser  

Mewtwo-Mega-Y @ Mewtwonite Y  
Ability: Insomnia  
Tera Type: Psychic  
EVs: 88 Def / 204 SpA / 216 Spe  
Timid Nature  
IVs: 0 Atk  
- Fire Blast  
- Aura Sphere  
- Nasty Plot  
- Psystrike