Maximum Carnage is a rare Enchantment — Saga card from Through the Omenpaths (OM1), collector number 87.
(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Until your next turn, each creature attacks each combat if able and attacks a player other than you if able. II — Add {R}{R}{R}. III — This Saga deals 5 damage to each opponent.