Game Sync and Random Matchup Rating Battles will go as the system is prepared for Pokémon Sun and Moon.
You have until the 24th of July to download Shaymin to your 6th generation games.
Zygarde arrives with little warning over Nintendo WiFi in European and North American regions, as well as Australia.
Jirachi only has time for you until the 24th of April.
Celebi only has time for you until the 24th of March.