HeatisRan (Heatran) @ Choice Band  
Ability: Flash Fire  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Heat Crash  
- Earthquake  
- Heavy Slam  
- Explosion  

Volcarona @ Heavy-Duty Boots  
Ability: Flame Body  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
- Flamethrower  
- U-turn  
- Defog  
- Roost  

Magneton @ Choice Scarf  
Ability: Magnet Pull  
IVs: 0 Atk  
- Volt Switch  
- Rising Voltage  
- Flash Cannon  
- Teleport  

Dragonite @ Assault Vest  
Ability: Multiscale  
EVs: 248 HP / 72 Def / 188 Spe  
Serious Nature  
- Draco Meteor  
- Earthquake  
- Ice Beam  
- Thunderbolt  

Tapu Koko @ Life Orb  
Ability: Electric Surge  
EVs: 252 HP / 4 Def / 252 SpA  
Bold Nature  
IVs: 0 Atk  
- Charge  
- Thunderbolt  
- Grass Knot  
- Dazzling Gleam  

Flygon @ Rocky Helmet  
Ability: Levitate  
EVs: 248 HP / 252 Def / 8 SpD  
Impish Nature  
- Earthquake  
- Roost  
- Toxic  
- U-turn