Dyfed, Door from Phyrexia

+2: Search your library for a Phyrexian card, reveal it, then shuffle and put that card on top.
-4: Return a Phyrexian card from your graveyard to the battlefield. If it's a creature, it gains haste until end of turn.
-12: Put all Phyrexian cards from your library, graveyard, hand, exile, and command zone onto the battlefield. They gain haste until end of turn.