Melkor's Binding

Flash
At the beginning of your upkeep, gain 1 life.
When Melkor's Binding enters the battlefield,
exile target creature, then put three time counters
on it, and it gains suspend. (At the beginning of
your upkeep, remove a time counter. When the last
is removed, cast it without paying its mana cost.)
When that creature returns to play, sacrifice
Melkor's Binding.