Drin, Monster Apprentice

When Drin, Monster Apprentice enters the battlefield, create X 2/2 monster creature tokens,
where X is your devotion to black and red (Each {b} and/or {r} in the mana costs of permanents you
control counts toward your devotion to black and red.)
Envoke {b}{r} (You may cast this spell for its evoke
cost. If you do, it's sacrificed when it enters the battlefield.)