Mordekaiser, Bane of Death

Lifelink, Planeswalk (Whenever this creature
dies, return it to the battlefield under the
control of an opponent chosen at random)
Whenever a creature dies, its controller may
pay 3 life.If they do, they may return it to their
hand.
Sacrifice a creature: Draw a card and lose 1 life.
Any player may activate this ability