Ainz Ooal Gown

When Ainz Ooal Gown enters the battlefield search your library for a card named The Staff
Of Ainz Ooal Gown, put it onto the battlefield tapped, shuffle your library.
Guild leader-{w}{w}{r}{r}: Search your library for a legendary card, put it into your hand then
shuffle your library.
Know true despair-{u}{u}{b}{b}: Counter target
spell or destroy target permanent.