Occult Cryptkeeper

When Occult Cryptkeeper enters the battlefield, shuffle all cards from your hand and graveyard into your library.
Dream 5 - {2}{b}{b} ({2}{b}{b}, {t}, Exile this creature: Search your library for a card with converted mana cost 5 or less, reveal it, put it into your hand, then shuffle your library. Dream only as a sorcery.)