Cloyster @ King's Rock  
Ability: Skill Link  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Shell Smash  
- Icicle Spear  
- Rock Blast  
- Ice Shard  

Grimmsnarl (M) @ Light Clay  
Ability: Prankster  
EVs: 252 HP / 4 Atk / 252 SpD  
Careful Nature  
- Light Screen  
- Reflect  
- Taunt  
- Spirit Break  

Excadrill @ Focus Sash  
Ability: Mold Breaker  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Stealth Rock  
- Rapid Spin  
- Earthquake  
- Rock Tomb  

Thundurus (Thundurus-Therian) (M) @ Heavy-Duty Boots  
Ability: Volt Absorb  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Thunderbolt  
- Focus Blast  
- Sludge Bomb  
- Nasty Plot  

Dragapult @ Leftovers  
Ability: Cursed Body  
EVs: 4 Atk / 252 SpA / 252 Spe  
Mild Nature  
- Will-O-Wisp  
- Dragon Darts  
- Substitute  
- Hex  

Volcarona @ Heavy-Duty Boots  
Ability: Flame Body  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Quiver Dance  
- Fire Blast  
- Psychic  
- Bug Buzz