Salazar, Goblin Merchant

{1}{r}, Remove a copper counter from Salazar: draw a card, then discard a card. add a silver counter to Salazar
{2}{w}, Remove a silver counter from Salazar: gain 4 life. add a gold counter to Salazar
{2}{u}{u}, Remove a gold counter from Salazar: reveal the top card of your library. you may cast it without paying its mana cost. if you don't, exile it.