Tyranitar-Mega @ Tyranitarite  
Ability: Sand Stream  
Tera Type: Rock  
EVs: 252 HP / 168 Atk / 88 SpD  
Careful Nature  
- Stone Edge  
- Rock Slide  
- Knock Off  
- Protect  

Kommo-o @ Leftovers  
Ability: Overcoat  
Tera Type: Fairy  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Iron Defense  
- Body Press  
- Iron Head  
- Protect  

Rillaboom @ Assault Vest  
Ability: Grassy Surge  
Tera Type: Fire  
EVs: 252 HP / 128 Atk / 128 SpD  
Adamant Nature  
- Fake Out  
- Grassy Glide  
- Wood Hammer  
- U-turn  

Jirachi @ Sitrus Berry  
Ability: Serene Grace  
Tera Type: Fairy  
EVs: 252 HP / 60 Def / 192 SpD / 4 Spe  
Careful Nature  
- Follow Me  
- Iron Head  
- Stealth Rock  
- Encore  

Volcanion @ Leftovers  
Ability: Water Absorb  
Tera Type: Grass  
EVs: 252 HP / 192 SpA / 64 Spe  
Modest Nature  
IVs: 0 Atk  
- Steam Eruption  
- Heat Wave  
- Will-O-Wisp  
- Protect  

Diancie @ Sitrus Berry  
Ability: Clear Body  
Tera Type: Grass  
EVs: 248 HP / 252 Atk / 8 Def  
Relaxed Nature  
IVs: 0 Spe  
- Diamond Storm  
- Trick Room  
- Body Press  
- Protect