Grimmsnarl @ Light Clay  
Ability: Prankster  
Tera Type: Steel  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Light Screen  
- Reflect  
- Taunt  
- Parting Shot  

Necrozma-Dusk-Mane @ Weakness Policy  
Ability: Prism Armor  
Tera Type: Psychic  
EVs: 48 HP / 252 Atk / 208 Spe  
Jolly Nature  
- Dragon Dance  
- Sunsteel Strike  
- Photon Geyser  
- Earthquake  

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

Groudon-Primal @ Red Orb  
Ability: Drought  
Tera Type: Flying  
EVs: 252 Atk / 100 SpD / 156 Spe  
Adamant Nature  
- Rock Polish  
- Swords Dance  
- Precipice Blades  
- Rock Tomb  

Arceus @ Life Orb  
Ability: Multitype  
Tera Type: Normal  
EVs: 240 HP / 252 Atk / 16 Spe  
Adamant Nature  
- Swords Dance  
- Extreme Speed  
- Earthquake  
- Recover  

Koraidon @ Life Orb  
Ability: Orichalcum Pulse  
Tera Type: Fire  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Swords Dance  
- Low Kick  
- Flare Blitz  
- Dragon Claw