Oubliette | Magic: The Gathering
Formats Oubliette is Legal in
Official Oracle Text for Oubliette
When Oubliette leaves the battlefield, return that exiled card to the battlefield under its owner's control tapped with the noted number and kind of counters on it. If you do, return the other exiled cards to the battlefield under their owner's control attached to that permanent.
Official Rulings for Oubliette
9/16/2007 : If the targeted creature is a token, it will cease to exist after being exiled. Any Auras that were attached to it will remain exiled forever.
9/16/2007 : If the exiled card is returned to the battlefield and, for some reason, it now can't be enchanted by an Aura that was also exiled by Oubliette, that Aura will remain exiled.