Yveltal @ Safety Goggles  
Ability: Dark Aura  
EVs: 192 HP / 4 Def / 72 SpA / 4 SpD / 236 Spe  
Modest Nature  
- Foul Play  
- Snarl  
- Oblivion Wing  
- Protect  

Ho-Oh @ Weakness Policy  
Ability: Regenerator  
EVs: 248 HP / 180 Atk / 80 Spe  
Adamant Nature  
- Brave Bird  
- Flare Blitz  
- Tailwind  
- Protect  

Zamazenta-Crowned @ Rusted Shield  
Ability: Dauntless Shield  
EVs: 252 HP / 112 Atk / 20 SpD / 124 Spe  
Jolly Nature  
- Behemoth Bash  
- Wide Guard  
- Snarl  
- Coaching  

Groudon @ Sitrus Berry  
Ability: Drought  
EVs: 252 HP / 236 Atk / 20 Spe  
Adamant Nature  
- Precipice Blades  
- Stone Edge  
- Stealth Rock  
- Thunder Wave  

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 252 HP / 64 Def / 128 SpA / 64 Spe  
Modest Nature  
IVs: 0 Atk  
- Moonblast  
- Thunderbolt  
- Geomancy  
- 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