Diancie-Mega @ Diancite  
Ability: Magic Bounce  
Tera Type: Rock  
EVs: 252 SpA / 4 SpD / 252 Spe  
Hasty Nature  
- Stealth Rock  
- Moonblast  
- Diamond Storm  
- Endeavor  

Mandibuzz (F) @ Heavy-Duty Boots  
Ability: Overcoat  
Tera Type: Dark  
EVs: 244 HP / 248 Def / 16 Spe  
Bold Nature  
IVs: 0 Atk  
- Foul Play  
- Roost  
- Toxic  
- Iron Defense  

Volcarona @ Heavy-Duty Boots  
Ability: Flame Body  
Tera Type: Bug  
EVs: 192 HP / 252 Def / 64 Spe  
Bold Nature  
IVs: 0 Atk  
- Flamethrower  
- Giga Drain  
- Roost  
- Quiver Dance  

Slowking @ Heavy-Duty Boots  
Ability: Regenerator  
Tera Type: Water  
EVs: 252 HP / 4 Def / 252 SpD  
Sassy Nature  
IVs: 0 Atk  
- Scald  
- Slack Off  
- Chilly Reception  
- Future Sight  

Ursaluna @ Flame Orb  
Ability: Guts  
Tera Type: Ground  
EVs: 252 HP / 252 Atk / 4 SpD  
Adamant Nature  
- Facade  
- Earthquake  
- Rest  
- Sleep Talk  

Sneasler @ Choice Scarf  
Ability: Pressure  
Tera Type: Fighting  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Poison Jab  
- Close Combat  
- Switcheroo  
- U-turn