Yveltal @ Heavy-Duty Boots  
Ability: No Guard  
Tera Type: Dark  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Rash Nature  
- Knock Off  
- Zap Cannon  
- Focus Blast  
- Strength Sap  

Stunfisk-Galar @ Leftovers  
Ability: Magic Bounce  
Tera Type: Ground  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
- Topsy-Turvy  
- Shore Up  
- Gigaton Hammer  
- Teleport  

Camerupt-Mega @ Leftovers  
Ability: Desolate Land  
Tera Type: Fire  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Magma Storm  
- Baneful Bunker  
- Spikes  
- Earth Power  

Venusaur-Mega @ Heavy-Duty Boots  
Ability: Well-Baked Body  
Tera Type: Grass  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Calm Nature  
IVs: 0 Atk  
- Recover  
- Ruination  
- Glare  
- Clear Smog  

Koraidon @ Heavy-Duty Boots  
Ability: Fur Coat  
Tera Type: Fighting  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Combat Torque  
- Mortal Spin  
- Knock Off  
- Strength Sap  

Tyranitar-Mega @ Assault Vest  
Ability: Refrigerate  
Tera Type: Rock  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Extreme Speed  
- Rapid Spin  
- Stone Axe  
- Combat Torque