Barbaracle @ Icium Z  
Ability: Tough Claws  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Shell Smash  
- Blizzard  
- Surf  
- Grass Knot  

Nihilego @ Air Balloon  
Ability: Beast Boost  
EVs: 252 HP / 4 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Reflect  
- Light Screen  
- Grass Knot  
- Toxic Spikes  

Cradily @ Chople Berry  
Ability: Storm Drain  
EVs: 210 HP / 220 SpA / 78 Spe  
Modest Nature  
IVs: 0 Atk  
- Giga Drain  
- Toxic  
- Substitute  
- Earth Power  

Terrakion @ Chople Berry  
Ability: Justified  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Close Combat  
- Swords Dance  
- Quick Attack  
- Rock Polish  

Diancie-Mega @ Diancite  
Ability: Magic Bounce  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Stealth Rock  
- Moonblast  
- Hidden Power [Grass]  
- Earth Power  

Stakataka @ Iron Ball  
Ability: Beast Boost  
EVs: 252 HP / 252 Atk / 4 SpD  
Lonely Nature  
IVs: 15 Def / 0 Spe  
- Trick Room  
- Gyro Ball  
- Earthquake  
- Superpower