Altar to Hades

{3}, {t}, Put an offering counter on Altar: Put
target creature card from your graveyard to the battlefield you lose life equal to its converted
mana cost.
{4}, {t}, Remove an offering counter from Altar:
Put a legendary 4/4 black Cerberus creature token
onto the battlefield.
{5}, {t}, Remove two offering counters from Altar: Destroy all creatures, then exile all graveyards.