Rite of Belzenlok [Dominaria]

Set: Dominaria Type: Enchantment — Saga Rare Cost: {2}{B}{B} (As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I, II — Create two 0/1 black Cleric creature tokens. III — Create a 6/6 black Demon creature token with flying, trample, and "At the beginning of your upkeep, sacrifice another creature. If you can't, this creature deals 6 damage to you."