Groudon @ Sitrus Berry  
Ability: Drought  
EVs: 240 HP / 252 Atk / 16 Spe  
Adamant Nature  
- Precipice Blades  
- Stone Edge  
- Stealth Rock  
- Thunder Wave  

Ho-Oh @ Weakness Policy  
Ability: Regenerator  
EVs: 248 HP / 64 Atk / 196 Spe  
Adamant Nature  
- Brave Bird  
- Flare Blitz  
- Tailwind  
- Protect  

Blastoise @ Wacan Berry  
Ability: Rain Dish  
Gigantamax: Yes  
EVs: 252 HP / 68 Def / 32 SpD / 156 Spe  
Impish Nature  
- Follow Me  
- Fake Out  
- Yawn  
- Aqua Jet  

Zacian-Crowned @ Rusted Sword  
Ability: Intrepid Sword  
EVs: 4 HP / 252 Atk / 252 Spe  
Jolly Nature  
- Behemoth Blade  
- Wild Charge  
- Play Rough  
- Protect  

Calyrex-Shadow @ Focus Sash  
Ability: As One (Spectrier)  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Astral Barrage  
- Encore  
- Nasty Plot  
- Protect  

Incineroar @ Safety Goggles  
Ability: Intimidate  
EVs: 252 HP / 244 Def / 12 SpD  
Relaxed Nature  
IVs: 9 Spe  
- Flare Blitz  
- Knock Off  
- Fake Out  
- Parting Shot