Magnezone @ Custap Berry  
Ability: Sturdy  
EVs: 4 Def / 252 SpA / 252 Spe  
Modest Nature  
- Thunderbolt  
- Flash Cannon  
- Endure  
- Mirror Coat  

Heatran @ Air Balloon  
Ability: Flash Fire  
EVs: 252 HP / 60 SpA / 76 SpD / 120 Spe  
Modest Nature  
IVs: 0 Atk  
- Flash Cannon  
- Magma Storm  
- Taunt  
- Protect  

Kartana @ Choice Band  
Ability: Beast Boost  
EVs: 4 HP / 252 Atk / 252 Spe  
Jolly Nature  
- Leaf Blade  
- Smart Strike  
- Knock Off  
- Sacred Sword