Lodrir, Vizier of the Mindless

Eminence - At the beginning of your draw step,
Surveil 1, then draw a card.
{x}: Surveil X. Each opponent puts the top card
of his or her library into his or her graveyard for
each card you put into the graveyard this way.
Then, you may put a creature from a graveyard
into the battlefield who's converted mana cost is
equal to or less than X.