They are a member of the Unrivaled basketball league, and made their debut in January 2025.
[4] Breanna Stewart scored the first basket in Unrivaled history.
[5] On November 20, 2024, the six head coaches collaborated on balancing and choosing the rosters for the six teams.
[6] Mist BC's roster was finalized with Breanna Stewart, Jewell Loyd, Rickea Jackson, DiJonai Carrington, Courtney Vandersloot, and Aaliyah Edwards as its players.
[7][8] In January, Mist BC signed NaLyssa Smith to a relief player contract due to Carrington and Loyd being unavailable for their January 24 game versus Phantom.