Klefki @ Light Clay  
Ability: Prankster  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Light Screen  
- Reflect  
- Spikes  
- Thunder Wave  

Slurpuff @ Sitrus Berry  
Ability: Unburden  
EVs: 4 HP / 252 Atk / 252 Spe  
Adamant Nature  
- Belly Drum  
- Play Rough  
- Drain Punch  
- Facade  

Metagross @ Weakness Policy  
Ability: Clear Body  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Agility  
- Meteor Mash  
- Earthquake  
- Ice Punch  

Cloyster @ King's Rock  
Ability: Skill Link  
EVs: 252 Atk / 4 SpA / 252 Spe  
Naughty Nature  
- Shell Smash  
- Icicle Spear  
- Rock Blast  
- Hydro Pump  

Flygon @ Lum Berry  
Ability: Levitate  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Dragon Dance  
- Earthquake  
- Outrage  
- Stone Edge  

Aerodactyl @ Focus Sash  
Ability: Rock Head  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Earthquake  
- Dragon Dance  
- Stone Edge  
- Dual Wingbeat