Grimmsnarl @ Light Clay  
Ability: Prankster  
Tera Type: Steel  
EVs: 248 HP / 252 Def / 8 SpD  
Impish Nature  
- Reflect  
- Light Screen  
- Parting Shot  
- Play Rough  

Salamence @ Salamencite  
Ability: Intimidate  
Tera Type: Dragon  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Dragon Dance  
- Double-Edge  
- Earthquake  
- Roost  

Necrozma-Dusk-Mane @ Ultranecrozium Z  
Ability: Prism Armor  
Tera Type: Psychic  
EVs: 216 Atk / 40 Def / 252 Spe  
Adamant Nature  
- Dragon Dance  
- Photon Geyser  
- Earthquake  
- Stone Edge  

Groudon @ Red Orb  
Ability: Drought  
Tera Type: Ground  
EVs: 136 HP / 252 Atk / 120 Spe  
Adamant Nature  
- Rock Polish  
- Swords Dance  
- Precipice Blades  
- Stone Edge  

Arceus @ Covert Cloak  
Ability: Multitype  
Tera Type: Ghost  
EVs: 240 HP / 252 Atk / 16 Spe  
Adamant Nature  
- Swords Dance  
- Extreme Speed  
- Shadow Claw  
- Taunt  

Xerneas @ Power Herb  
Ability: Fairy Aura  
Tera Type: Electric  
EVs: 48 HP / 120 Def / 252 SpA / 88 Spe  
Modest Nature  
IVs: 0 Atk  
- Geomancy  
- Moonblast  
- Thunderbolt  
- Substitute