Greninja @ Expert Belt  
Ability: Protean  
EVs: 4 Atk / 252 SpA / 252 Spe  
Naive Nature  
IVs: 30 Atk  
- Hidden Power [Fire]  
- Ice Beam  
- Low Kick  
- Rock Slide  

Toxapex @ Icium Z  
Ability: Regenerator  
EVs: 248 HP / 8 Atk / 252 Def  
Impish Nature  
- Scald  
- Poison Jab  
- Haze  
- Recover  

Empoleon @ Leftovers  
Ability: Torrent  
EVs: 252 HP / 4 SpA / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Flash Cannon  
- Defog  
- Stealth Rock  
- Roar  

Gyarados-Mega @ Gyaradosite  
Ability: Mold Breaker  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Dragon Dance  
- Crunch  
- Earthquake  
- Substitute  

Gastrodon-East @ Leftovers  
Ability: Storm Drain  
EVs: 252 HP / 4 SpA / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Recover  
- Clear Smog  
- Earth Power  
- Scald  

Golisopod @ Heavy-Duty Boots  
Ability: Emergency Exit  
EVs: 252 HP / 252 Atk / 4 SpD  
Adamant Nature  
- Spikes  
- Knock Off  
- First Impression  
- Leech Life