each creature card in your graveyard has embalm. its embalm cost is equal to its mana cost. (exile a creature card from your graveyard and pay its embalm cost: create a token that's a copy of it, except it's a white zombie in addition to its other types with no mana cost. embalm only as a sorcery.)
whenever chaos ensues, you may discard a card. if you do, draw a card.