Xerneas @ Expert Belt  
Ability: Fairy Aura  
Level: 50  
Tera Type: Fairy  
EVs: 140 HP / 116 Def / 252 SpA  
Modest Nature  
IVs: 0 Atk  
- Calm Mind  
- Moonblast  
- Thunderbolt  
- Focus Blast  

Excadrill @ Excadrite  
Ability: Sand Rush  
Level: 50  
Tera Type: Ground  
EVs: 252 HP / 252 Atk / 4 SpD  
Adamant Nature  
- Swords Dance  
- Earthquake  
- Dig  
- Metal Claw  

Gyarados @ Assault Vest  
Ability: Intimidate  
Level: 50  
Tera Type: Water  
EVs: 252 Atk / 20 Def / 236 SpD  
Adamant Nature  
- Bounce  
- Waterfall  
- Earthquake  
- Dragon Rush