Hazard Setter (Omanyte) @ Focus Sash  
Ability: Weak Armor  
EVs: 252 HP / 4 SpA / 252 Spe  
Timid Nature  
- Stealth Rock  
- Spikes  
- Scald  
- Knock Off / Endure

Shell Smash (Omanyte) @ Eviolite  
Ability: Swift Swim  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Shell Smash  
- Hydro Pump  
- Ice Beam  
- Earth Power / Hidden Power Grass