Jarad, Golgari Rot King

Jarad gets +1/+1 for each creature card in your graveyard.
{p/b}{p/g}: Sacrifice a creature. Destroy target creature and add {g}{g}{b}{b} to your mana pool.
{p/b}{p/g}: Sacrifice a land or discard a card. Destroy target artifact or enchantment.
"Everyday, thousands die. I simply regrow.