Unlocked Hutch

{t}: Add {c}.
{t}: Add {w}. Spend this mana only to cast a creature spell.
{1}{w},{t}, Sacrifice Unlocked Hutch: Look at the top six cards of your library. You may reveal a Bat, Bird, Mouse, or Rabbit card from among them and put it in your hand. Put the rest on the bottom of your library in a random order.