Crypt Miners

At the beginning of your upkeep, choose a card type, then each player reveals the top card of his or her library. For each card revealed this way that is the type you choose, put three grave counters on Crypt Miners.
Remove two grave counters from Crypt Miners: Choose one:
-Draw a card.
-Add {c} and one mana of any color to your mana pool.