Shadowgrange Archfiend

When Shadowgrange Archfiend enters
the battlefield, each opponent sacrifices
a creature with the greatest power among
creatures they control. You gain life equal
to the greatest power among creatures
sacrificed this way.
Madness—, Pay 8 life. (If you discard this card,
discard it into exile. When you do, cast it for its
madness cost or put it into your graveyard.)