The Misbegotten Prince

When The Misbegotten Prince enters the
battlefield, exile all other creatures. For each
creature exiled this way, it's controller creates a
1/1 black Shadow creature token with: "When
this creature dies, you may put a card exiled with
The Misbegotten Prince to the battlefield under
your control."
{t} Sacrifice a Shadow: Each opponent loses 2 life.
When The Misbegotten Prince dies, destroy all Shadows.