Muckway Gamble

Exile 3 cards from the top of your library
face down. Target opponent reveals any of those cards. For each revealed card with an
even casting cost, create a 2/2 black Zombie token creature. For each revealed card with
an odd casting cost, that opponent loses 1
life and you gain 1 life. For each card not revealed, each opponent loses 2 life. Shuffle those exiled cards into your library.