Hydreigon @ Choice Specs  
Ability: Levitate  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Draco Meteor  
- Dark Pulse  
- Flash Cannon  
- U-turn  

Heatran @ Leftovers  
Ability: Flash Fire  
EVs: 252 HP / 248 SpD / 8 Spe  
Calm Nature  
IVs: 0 Atk  
- Magma Storm  
- Earth Power  
- Taunt  
- Toxic  

Toxapex @ Rocky Helmet  
Ability: Regenerator  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
IVs: 0 Atk  
- Scald  
- Toxic  
- Haze  
- Recover  

Rillaboom @ Choice Band  
Ability: Grassy Surge  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Grassy Glide  
- Knock Off  
- Wood Hammer  
- U-turn  

Rhyperior @ Leftovers  
Ability: Solid Rock  
EVs: 92 HP / 252 Atk / 164 Spe  
Adamant Nature  
- High Horsepower  
- Stone Edge  
- Stealth Rock  
- Focus Punch  

Thundurus (M) @ Heavy-Duty Boots  
Ability: Defiant  
EVs: 252 SpA / 252 Spe  
Timid Nature  
- Thunderbolt  
- U-turn  
- Knock Off  
- Defog