Mausoleum Ghoul

As an additional cost to cast this spell sacrifice an artifact.
You may cast Mausoleum Ghoul from exile.
Mausoleum Ghoul enters the battlefeild tapped.
Exhibit {1}{b} ( {1}{b}, Exile this card from your graveyard: Create a token that's a copy of it, except
it's a colorless artifact with no other card types and
no mana cost. Exhibit only as a sorcery.)