Reader's Familiar

At the beginning of your upkeep exile the top
card of your library, then put a fate counter on
Reader's Familiar You may look at cards exiled
this way at any time.
Exile Reader's Familiar: Put all cards exiled with
Reader's Familiar into your graveyard, then exile
your library, then shuffle your graveyard into
your library. Activate this ability only if Reader's Familiar has five or more fate counters on it.