Massacre Wurm

When Massacre Wurm enters the battlefield, creatures your opponents control get -2/-2 until
end of turn.
Whenever a creature an opponent controls dies,
that player loses 2 life.
"Its very presence sows chaos and destruction, inspir-
ing fear in even the bravest of warriors. None can withstand its hunger, for it feeds on the very essence of
life itself."-Sheoldred