Vizier of the Forgotten

{1}{w/u}{w/u}, {t}: Counter target spell unless its controller pays {1} for each card in your graveyard
{x}{w/b}{w/b}, {t}: Return target creature with converted mana cost X or less for a graveyard to the battlefield tapped
{1}{u/b}{u/b}, {t}: Target player puts the top 7 cards of his or her library into his or her graveyard