Vanishing 12
(This permanent enters the battlefield with time counter(s) on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)
Whenever one or more time counters are removed from Regenerations Restored,
scry 1
(Look at the top card of your library. You may put that card on the bottom of your library.) and you gain 1 life. Then if Regenerations Restored has no time counters on it, exile it. When you do, take an extra turn after this one.