Necromatrix

When Necromatrix enters, each player that does not
control a permanent named Necromatrix creates an artifact token that's a copy of Necromatrix.

{t}: Prevent the next 2 damage that would be dealt
to any target.

{5},{t}, exile Necromatrix.: Cast target creature spell
from the graveyard of any opponent that controls a Necromatrix without paying its mana cost.