(as this saga enters and after your draw step, add a lore counter.)
i & ii — each opponent creates a 1/1 black rat rogue creature token.
iii — exile this saga, then return it to the battlefield transformed under your control.
//
echo of death's wail (3/3)
flying, haste
when echo of death's wail enters the battlefield, gain control of all rat tokens.
whenever echo of death's wail attacks, you may sacrifice another creature. if you do, draw a card.