The Nameless City

{3} Exile target Creature or Planeswalker, the
owner of that card takes 2 damage every Upkeep
that it remains exiled. During your End Step, pay {x}, {x} is equal to the amount of cards that are currently exiled by The Nameless City. If tribute
wasn't paid, return all cards exiled by this cards effects to the battlefield under their owners
control.
"That is not dead which can eternal lie. And with
strange aeons even death may die."