Quoted By:
Let's have a Make Your Own Mega thread for the holidays.
Mega Luxray
Electric/Dark
Ability:
Lightning Storm (summons Electric Terrain on entry)
Signature Move:
Shadow Lash (110 BP, 80 acc, +1 priority. Dark type)
It would become almost completely black with an edgier color scheme and its tail would be whip-like, hence Shadow Lash.