Pokemon X and Y has Mega Evolved, adds in-battle evolution starting with Mega Mewtwo, Mega Lucario - Neoseeker

Also, so much more than just Mega Evolution

▻Pokémon X and Y - NEW MEGA EVOLUTIONS & Generation 1 Starters

Mega lucario in pokemon go, Mega mewtwo

Mega-Evolved Pokemon - Pokemon X and Y Guide - IGN

What are your favorite Pokemon from each type?

Who beats Mega Sceptile?

What is a good in-game team for X and Y? (page 4) - PokéBase

I was really(!) bored, so here it is: The Smash Bros. 4 roster as

I draw way too much — Newt reminisces on her first mega evolution

What are your favorite Pokemon from each type?

Pokemon X and Y has Mega Evolved, adds in-battle evolution

Mega-Evolved Pokemon - Pokemon X and Y Guide - IGN