Darkness, the Void Bringer

When Darkness enters the battlefield each
player chooses one creature they control. Exile all nonland permanents except the chosen creatures.

When Darkness leaves the battlefield return all permanents exiled by permanents named Darkness.

”Eyes open but unseeing, Mouth agape words unsaid, Ears here but cannot hear, Five senses disappear, this is the Void.” - Void Traveler