Original Starters in 'Pokemon X' & 'Y'; Gain Mega Evolutions

Charmander, Bulbasaur, and Squirtle will all be making their return in
Charmander, Bulbasaur, and Squirtle will all be making their return in 'Pokemon X' and 'Y' as additional starter Pokemon, and each monster will also receive a Mega Evolution for its final form.

Pokemon X and Pokemon Y TCG adds Mega Evolution starting Feb. 5 2014, Fairy-type in November - Neoseeker

Starter Pokémon - Bulbapedia, the community-driven Pokémon encyclopedia

10 Pokémon Who Undergo Type Changes With Mega Evolution

You'll Get Bulbasaur, Charmander And Squirtle In Pokémon X And Pokémon Y

Pokemon X and Y Rumors: 50 More Mega Evolution Forms Leaked Online (PICTURE)

Mega Charizard X Will Be Exclusive To Pokemon X

Pokémon Go Mega Evolution guide - Polygon

Every Pokémon That Can Mega Evolve

Pokémon Sun and Moon Johto mega evolution starters

Starter Pokemon - Pokemon X and Y Guide - IGN

Pokémon the Series: XY — Mega Evolution Specials / Characters - TV Tropes

Main characters of the first game introduced Mega evolution still don't have any. Even more thatwith the same Pokémon, a pair from Kalos can't but a pair in a Galar can..