I picked up another copy of Pokémon Y when I realized that I needed a ton of Pokémon from X / Y to reach my goal of a completed pokedex in ORAS. (sosostris.com)
In the article, GamesRadar explores the actual X / Y pokedex of Pokemon and gets into a bit of the history of the franchise. (brutalgamer.com)
A user on 4chan has leaked what appears to be the complete Pokedex for Pokemon Sun and Moon (minus any Alolan forms). (thatvideogameblog.com)