(As this Saga enters and after your draw step, add a lore counter.)
I — Destroy all creatures.
III — Exile this Saga, then return it to the battlefield transformed under your control.
//
Menace, firebending 3 (Whenever this creature attacks, add 
. This mana lasts until end of combat.)
Whenever Fire Lord Sozin deals combat damage to a player, you may pay 
. When you do, put any number of target creature cards with total mana value X or less from that player's graveyard onto the battlefield under your control.