Cartography the Nightsky

Search your library for an enchantment card with
mana value equal or less to the number of cards
in your hand and exile it. Shuffle afterwards.
At the beginning of your next upkeep, put all enchantments exiled with this spell onto the battlefield under their owner's control.
Flashback {6}{w}{w}{u} (You may cast this card from
your graveyard for its flashback cost. Then exile it.)