Return to the Sea

Whenever a creature you control leaves the battlefield you may exile a noncreature spell from
your graveyard that has a converted mana cost
equal to or higher than that creature to have it returned to the battlefield at the end of the next
end step.
"Ah, sweet child of Kos returned to the ocean... A bottomless curse, a bottomless sea... Accepting of all
that there is... And can be..."