War of the Spark

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Each player may put a planeswalker or Zombie card from War of the Spark from their hand or graveyard onto the battlefield. II — Sacrifice any number of creatures and/or planeswalkers. Each opponent sacrifices that many creatures and/or planeswalkers. III — Exile up to one target Bolas. Proliferate three times.