Rodoro, First Lord Mage

+1: Reveal the top three cards of your library. You and an opponent each choose a card. Put those cards in your hand and the rest in your graveyard.
-X: Search a graveyard for an instant or sorcery card with converted mana cost X. You may cast that card. During the next end step, exile it.
-7: You get an emblem with "Once during each of your turns, you may add one mana of each color to your mana pool."