Tarzmark, Unseen Shadow

Deathtouch, Skulk
Tarzmark, Unseen Shadow is black.
Whenever Tarzmark, Unseen Shadow deals damage to a player, That player loses half their life total rounded up.Whenever you are dealt combat damage sacrifice Tarzmark, Unseen Shadow.
{2}{p/b}{p/u}{p/g} Return Tarzmark, Unseen Shadow
from your graveyard to the battlefield tapped.