Omanyte @ Leftovers  
Ability: Shell Armor  
EVs: 252 HP / 252 Def / 4 SpA  
Bold Nature  
IVs: 0 Atk  
- Spikes  
- Toxic Spikes / Toxic / Stealth Rock 
- Surf  
- Protect
---------------------
Optional Move(s): 
- Ice Beam
- Earth Power
- Endure 
Optional Item(s): 
- Custap Berry
Optional Ability:  
- Swift Swim
Optional EV/IV(s): 
- 252 HP / 4 SpA / 252 Spe