Turtonator @ White Herb  
Ability: Shell Armor  
EVs: 4 Atk / 252 SpA / 252 Spe  
Rash Nature  
- Shell Smash  
- Flamethrower  
- Draco Meteor  
- Earthquake  

Polteageist @ Focus Sash  
Ability: Weak Armor  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Shell Smash  
- Shadow Ball  
- Stored Power  
- Giga Drain  

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

Barbaracle @ Focus Sash  
Ability: Tough Claws  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Shell Smash  
- Stone Edge  
- Liquidation  
- Superpower  

Blastoise @ Heavy-Duty Boots  
Ability: Torrent  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Shell Smash  
- Rapid Spin  
- Hydro Pump  
- Ice Beam  

Omastar @ Focus Sash  
Ability: Weak Armor  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Shell Smash  
- Hydro Pump  
- Earth Power  
- Ice Beam