Yorick

At the beginning of your end step, return target legendary permanent from your graveyard to your hand.
{b/g}{b/g}: Exile target card from a graveyard. If it was a creature card, create a 1/1 black Ghoul creature token with lifelink. Otherwise, create a 0/1 green Ghoul creature token with "sacrifice Ghoul: Add one mana of any color to you mana pool."
"It's your funeral."