Svogthir the Restless

Whenever another creature you control dies,
create a token that's a copy of it. It's a zombie in addition to it's other types. Then put a -1/-1
counter on Svogthir the Restless.
{b}{b}{b}{g}{g}{g}, exile a creature card from your graveyard: Return Svogthir the Restless from the graveyard to the battlefield.
Did you really think I was dead in that tomb?