Diancie and shiny Gengar events announced
Pokemon X & Y — 09 September, 2014
First up, a shiny Gengar holding the Gengarite Mega Stone will be available via a special code card distribution at participating GameStop stores in America, GAME stores in the UK as well as across Europe. When Mega-Evolved, shiny Gengar turns white! This event runs from October 13th to 26th in America and October 15th to November 5th in the UK.
The second event finally makes the mythical Pokémon, Diancie available. Similar to Gengar it is only available via special codes in gaming shops. It runs from October 27th to November 16th in America and November 6th to 28th in the UK. Once Diancie has been received in your copy of X or Y, you can transfer it to the upcoming Omega Ruby or Alpha Sapphire in which its Mega Stone, Diancite, can be obtained to Mega-Evolve it!