Toxapex  
Ability: Merciless  
Tera Type: Poison  

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

Dragapult  
Ability: Clear Body  
Tera Type: Dragon  

Kingambit  
Ability: Defiant  
Tera Type: Dark  

Tornadus-Therian (M) @ Assault Vest  
Ability: Regenerator  
Tera Type: Flying  

Landorus-Therian (M)  
Ability: Intimidate  
Tera Type: Ground