Quagsire @ Rocky Helmet  
Ability: Unaware  
EVs: 248 HP / 252 Def / 8 SpD  
Impish Nature  
- Counter  
- Earthquake  
- Recover  
- Rest  

Porygon-Z @ Life Orb  
Ability: Adaptability  
EVs: 72 HP / 172 SpA / 48 SpD / 216 Spe  
Modest Nature  
- Protect  
- Hyper Beam  
- Thunderbolt  
- Nasty Plot  

Heatran @ Choice Scarf  
Ability: Flash Fire  
EVs: 4 Def / 252 SpA / 252 Spe  
Modest Nature  
- Eruption  
- Steel Beam  
- Earthquake  
- Dragon Pulse