Volbeat @ Heat Rock or Damp Rock 
Ability: Prankster  
EVs: 252 HP / 4 Atk / 252 Def  
Relaxed Nature  
IVs: 0 Spe  
- Sunny Day / Rain Dance 
- U-turn  
- Thunder Wave / Roost
- Encore
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Optional Move(s): 
- Defog
- Tailwind
- Toxic
Optional Item(s): 
- Leftovers
Optional Ability:  
- N/A
Optional EV/IV(s): 
- 252 HP / 4 Atk / 252 SpD (Sassy)