ZAHADOOM the Reckless

ZAHADOOM the Reckless is unblockable as
long as you control an artifact.
You may cast ZAHADOOM from exile.
{u}{u}{u}{u}: Put ZAHADOOM into exile from
your graveyard, it deals 2 damage to you. You
may activate this from your graveyard.
All will fall under my control, or come to their doom.
Or both.