Heracross @ Choice Scarf  
Ability: Guts  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Close Combat  
- Earthquake  
- Megahorn  
- Stone Edge  

Heatran @ Air Balloon  
Ability: Flash Fire  
EVs: 208 HP / 76 Def / 8 SpA / 216 Spe  
Modest Nature  
IVs: 0 Atk  
- Flash Cannon  
- Eruption  
- Taunt  
- Earth Power  

Carracosta @ Power Herb  
Ability: Sturdy  
EVs: 16 Atk / 252 SpA / 240 Spe  
Naive Nature  
- Shell Smash  
- Meteor Beam  
- Aqua Jet  
- Ice Beam