Nihilego @ Shell Bell  
Ability: Beast Boost  
Level: 50  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Power Gem  
- Acid  
- Grass Knot  
- Dazzling Gleam  

Aerodactyl @ Sharp Beak  
Ability: Pressure  
Level: 50  
EVs: 4 HP / 252 Atk / 252 Spe  
Jolly Nature  
- Fly  
- Earthquake  
- Dragon Dance  
- Roost  

Coalossal-Gmax @ Leftovers  
Ability: Steam Engine  
Level: 50  
EVs: 252 HP / 36 Def / 120 SpD / 100 Spe  
Impish Nature  
- Iron Defense  
- Body Press  
- Rock Slide  
- Rest