Swampert @ Rocky Helmet / Leftovers / Utility Umbrella  
Ability: Regenerator  
EVs: 252 HP / 252 Def / 4 SpD    
Relaxed Nature  
IVs: 0 Spe  
- Flip Turn  
- Stealth Rock  
- Earthquake  
- Toxic / Whirlpool / Roar  
Swampert @ Assault Vest / Rocky Helmet / Leftovers / Heavy-Duty Boots  
Ability: Regenerator  
EVs: 252 HP / 4 Def / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Flip Turn  
- Earthquake  
- Stone Edge / Rock Slide / Stealth Rock 
- Whirlpool / Toxic / Ice Punch