I heard somewhere that you can Mega evolve and attack on the same turn.
That is the same as "I heard you can get Mew in Pokemon Red by using strength on the truck". I do not like playing in hearsay but hard facts is the way to do it. Like I know there are Mega Pokemon, they need a species specific Mega Stone and I know there is not a low health requirement.
Hero's may die...But legends endure Aerynth Server