Hevnoraak, The Returned

Flying, deathtouch
Whenever one or more creatures leave your graveyard, each opponent ventures into
Valthume. You draw a card and lose 1 life.
{x}{u/b}: Return Hevnoraak and target creature card
with mana value X from your graveyard to the battlefield tapped. Activate only as a sorcery and
only once each turn.