Aerodactyl-Mega @ Aerodactylite  
Ability: Pressure  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Pluck  
- Stone Edge  
- Earthquake  
- Roost

Pluck's 97.5 BP when the opponent has an item, backed by Aerodactyl's 135 Attack and Tough Claws, is a destructive force. This alone, along with Aerodactyl's extraordinary speed tier, turns Aerodactyl into a great physical attacker, able to take down the majority of offensive Pokemon, as well as Chnasey.
Other Options: Hone Claws, Fire Fang, Ice Fang, Aqua Tail, Taunt