Gaia, The Original Mother

+1: Search your library for a land and reveal it, put that card in your hand. Shuffle your library. If this card was monocolored gain 2 life.
-4: Search your library for a permanent and remove 4 colorless mana from its mana cost. Reveal it and put this card in your hand,Shuffle your library
-10: Create an emblem on yourself; During your upkeep you may put one onto the battlefield, a 5/5 Valkyrie, a 5/5 Revenant, or a 3/3 Hero.