Apr 2, 2017, 06:53 PM
Pretty much its Alolan Dex and all Pokemon must be caught/breed/obtain only in SuMo. For further rules, here's the VGC 17 ruleset:
http://www.pokemon.com/us/pokemon-news/a...-december/
http://www.pokemon.com/us/pokemon-news/b...ps-format/
http://www.pokemon.com/us/pokemon-news/a...-december/
http://www.pokemon.com/us/pokemon-news/b...ps-format/