Nap Time

Indestructible, Hexproof.
When it enters the battlefield exile all creatures
under it and put 3 charge counters on it.
At the beginning of your upkeep remove a charge counter from Nap Time, then if there are no
charge counters left put each creature exiled
under Nap Time onto the battlefield under it's
owner's control, each creature enters tapped
unless it has Haste, Then shuffle Nap Time into
your library.