Vyedal, Eye of Death

Deathtouch, Totem Armor
Other Trolls you control gain Totem Armor

If Vyedal, eye of death is put into a graveyard each opponent loses one life and you proliferate equal to
how much damage was delt this way.
{5}{b}: exile another nonland card in your graveyard and return Vyedal, eye of death to the battlefield tapped.
"They say when Vyedal first came from the ground all the other bodies in the graveyard came forth to offer themselves as sacrifices to his return." — The Tome of Dwindilin