For Those Who Are Lost

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I—Exile another target permanent. Return that card to the battlefield under its owner's control at the beginning of the next end step.
II—Until end of turn, whenever another
permanent enters the battlefield under your
control or another permanent you control leaves
the battlefield, you gain 1 life.
III—Exile For Those Who Are Lost, then return