Groudon @ Aguav Berry  
Ability: Drought  
Level: 50  
EVs: 252 HP / 156 Atk / 4 Def / 92 SpD / 4 Spe  
Adamant Nature  
- Precipice Blades  
- Swords Dance  
- Roar  
- Protect  

Xerneas @ Power Herb  
Ability: Fairy Aura  
Level: 50  
EVs: 140 HP / 180 SpA / 188 Spe  
Modest Nature  
IVs: 0 Atk  
- Moonblast  
- Dazzling Gleam  
- Geomancy  
- Protect  

Tapu Koko @ Zap Plate  
Ability: Electric Surge  
Level: 50  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
- Thunderbolt  
- Volt Switch  
- Protect  
- Sky Drop  

Volcarona @ Firium Z  
Ability: Flame Body  
Level: 50  
EVs: 92 HP / 164 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Overheat  
- Tailwind  
- Rage Powder  
- Protect  

Incineroar @ Iapapa Berry  
Ability: Intimidate  
Level: 50  
EVs: 252 HP / 228 SpD / 28 Spe  
Careful Nature  
- Flare Blitz  
- Snarl  
- Fake Out  
- U-turn  

Amoonguss @ Occa Berry  
Ability: Regenerator  
Level: 50  
EVs: 236 HP / 76 Def / 196 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Spore  
- Rage Powder  
- Grass Knot  
- Clear Smog