Tharruk, The Stem of Life

+1: Untap target land. Add to your mana pool one mana of any color that that land could produce.
-2: Create a 3/3 green and blue creature token with "When this creature dies, gain 4 life and draw a card."
-10: Search your library for up to ten basic land cards and put them onto the battlefield. Then shuffle your hand into your library and draw six cards