BLAST Nordic Masters Spring 2021 is organized by Pelaajat.com. The winner of this tournament will qualify to the BLAST Spring Shodown tournament. Four teams will be joined by 2 teams from other Pelaajat tournaments and 2 from the qualifiers. They will then be divided into 2 groups of 4 teams and play a double elimination group stage. Top 2 of each group will advance to the single elimination playoffs.