Faminex, Decay Artificer

+3: Each player discards 2 cards. You may play cards you discard this turn without paying their mana cost.
-4: Target player mills until they mill a basic land. Return a creature card from exile to the battlefield under your control.
-13: Each opponent mills until they mill an instant and a sorcery. If 17 cards were milled this way, you win the game.