Marayda, Eyes to the Stars

(This Civilization's ability costs are reduced by {1} for each creature on your side of the field that
shares a color type with mana this land can produce.)
{2}, {t}: {w}{b}{g}
{4}, Sacrifice Marayda: Search the top four cards
of your library. Reveal a white, black, or green
spell from among those cards, and put that card
in your hand. Put the rest of the cards on the
bottom of your library in any order.