[Gen 7] SuMo 1U: Add Team Preview to ruleset
[Gen 7] SuMo 1U: Add Team Preview to ruleset
panpawn/Gold-Server,panpawn/Gold-Server,panpawn/Gold-Server,Git-Worm/City-PS,panpawn/Pokemon-Showdown,Git-Worm/City-PS,panpawn/Pokemon-Showdown