Gravedigger

{T}: Exile target card from your graveyard. If it is a permanent card, create a token that is a copy of that card. If it is an instant or sorcery, you may cast it without paying its mana cost. Exile any spell cast this way. Overload {b}{b}{b}{b}{b}{g}{g}{g}{g}{g} Undying Army {b}{g}: Return 5 cards you own in exile to your library, then shuffle. Draw a card.