Umbreon @ Leftovers  
Ability: Synchronize  
Tera Type: Dark  
EVs: 252 HP / 4 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Wish  
- Foul Play  
- Heal Bell  
- Thunder Wave  

Corviknight @ Rocky Helmet  
Ability: Mirror Armor  
Tera Type: Flying  
EVs: 248 HP / 252 Def / 8 SpD  
Impish Nature  
- Brave Bird  
- Defog  
- U-turn  
- Roost  

Volcarona @ Heavy-Duty Boots  
Ability: Flame Body  
Tera Type: Bug  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Bug Buzz  
- Giga Drain  
- Fiery Dance  
- Quiver Dance  

Samurott-Hisui @ Choice Scarf  
Ability: Sharpness  
Tera Type: Water  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Ceaseless Edge  
- Aqua Cutter  
- Sacred Sword  
- X-Scissor  

Garchomp @ Dragonium Z  
Ability: Rough Skin  
Tera Type: Dragon  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Swords Dance  
- Earthquake  
- Outrage  
- Stealth Rock  

Diancie-Mega @ Diancite  
Ability: Magic Bounce  
Tera Type: Rock  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Diamond Storm  
- Mystical Fire  
- Moonblast  
- Earth Power