Banished to time

indestructible
when Banished to time enters the battlefield put
3 time counters on it. at the beginning of each upkeep, you may remove a time counter from Banished to time. at the beginning of your upkeep, if there are no time counters on banished to time, exile all tapped permanents
you may play cards exiled with Banished to time for their converted mana cost