Nintendo has released a new trailer Pokemon Alpha Sapphire and Omega Ruby showing off some new mega evolutions, cosplay Pikachu and shiny Pokemon. If you buy the title around when the game first launches you will be able to receive a shiny Beldum holding a Mega Stone. In the trailer we also see cosplay Pikachu in action, along with the unique moves each costume provides Pikachu. In order to get cosplay Pikachu, you need to enter the Pokemon contest spectacular in the Hoenn region. Last but not least the trailer shows off new mega evolutions for Altaria, Salamence and Lopunny, expect all three of the Pokemon to gain new moves and abilities upon mega evolving. Pokemon Alpha Sapphire and Omega Ruby is due for release on November 21 for the nintendo 3DS.