The Night of Black Knives

(As this Saga enters and after your draw step,
add a lore counter.)
I—For each opponent, destroy up to one target creature or planeswalker that player controls.
II—Each opponent discards three cards, then mills three cards.
III—Put all creature cards from all graveyards
onto the battlefield under your control. Exile
this Saga, then return it to the battlefield face up.