Volcanion @ Grassium Z  
Ability: Water Absorb  
EVs: 248 HP / 252 SpA / 8 SpD  
Modest Nature  
IVs: 0 Atk  
- Sludge Wave  
- Steam Eruption  
- Solar Beam  
- Flamethrower  

Stakataka @ Aguav Berry  
Ability: Beast Boost  
EVs: 252 HP / 4 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Recycle  
- Stealth Rock  
- Infestation  
- Toxic  

Breloom @ Toxic Orb  
Ability: Poison Heal  
Happiness: 0  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Substitute  
- Facade  
- Focus Punch  
- Seed Bomb  

Altaria-Mega @ Altarianite  
Ability: Natural Cure  
EVs: 252 HP / 252 Def / 4 SpA  
Bold Nature  
IVs: 0 Atk  
- Roost  
- Ice Beam  
- Hyper Voice  
- Defog  

Nidoking @ Choice Scarf  
Ability: Sheer Force  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Earthquake  
- Fire Punch  
- Ice Punch  
- Poison Jab  

Raikou @ Assault Vest  
Ability: Pressure  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Shadow Ball  
- Volt Switch  
- Thunderbolt  
- Hidden Power [Ice]