The 2019 Pokémon TCG Format Rotation has been announced!
Effective from September 1st, 2018, the Standard Format will consist of the following:
• Sun & Moon and any expansions released afterward
• Black Star Promo cards numbered SM01 and up
• Shining Legends
• Sun & Moon Trainer Kit – Lycanroc & Alolan Raichu
• McDonald’s Collection 2017
More details in the link below and also on the Expanded Format.
https://www.pokemon.com/us/pokemon-news/2019-season-pokemon-tcg-format-rotation/