Maybe a +10 to speed and a Mega would do.
Ledian
New Base Stats:
HP: 55
Attack: 35
Defense: 50
Sp. Atk: 55
Sp. Def: 110
Speed: 95
Mega Ledian
Type: Bug/Fairy
Ability: Prankster
Base Stats:
HP: 55
Attack: 15
Defense: 80
Sp. Atk: 115
Sp. Def:120
Speed: 115
Gets Dazzling Gleam