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

Xerneas @ Power Herb  
Ability: Fairy Aura  
Tera Type: Steel  
EVs: 196 HP / 252 SpA / 8 SpD / 52 Spe  
Modest Nature  
IVs: 0 Atk  
- Geomancy  
- Moonblast  
- Substitute  
- Grass Knot  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
Tera Type: Ground  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Swords Dance  
- Rock Polish  
- Earthquake  
- Fire Punch  

Necrozma-Dusk-Mane @ Weakness Policy  
Ability: Prism Armor  
Tera Type: Rock  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Dragon Dance  
- Sunsteel Strike  
- Earthquake  
- Stone Edge  

Koraidon @ Fightinium Z  
Ability: Orichalcum Pulse  
Tera Type: Fighting  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Swords Dance  
- Collision Course  
- Dragon Claw  
- Flame Charge  

Arceus @ Silk Scarf  
Ability: Multitype  
Tera Type: Normal  
EVs: 244 HP / 252 Atk / 12 Spe  
Adamant Nature  
- Extreme Speed  
- Defog  
- Swords Dance  
- Earthquake