Yawgmoth, The Reborn

+4: Search a players library, hand, or graveyard and choose a card; you may cast that card until end of turn as if it had Phyrexian mana symbols.
-5: Gain control of target spell or permanent with a Phyrexian Mana cost, you may choose new target(s), you may use this ability as if it had flash.
-20: you gain an emblem. "All colored mana symbols on all costs on cards players own in game become Phyrexian Mana symbols of that color."