Migration of Worlds

Absolution {w}{u}{b}{r}{g}:(You may play this card
for it's Absolution cost if this card was sent to Exile on
this turn or the previous one.)
At the beginning of your upkeep, Exile another
target nonland permanent you control. If you
can't, Exile Migration of Worlds and you lose
ten life.
If Migration of Worlds returns to the
battlefield Absolved, you win the game.