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.)