Brynden, Three Eyed Crow

Opponents play with their hand and the top card
of their library revealed.
{1}{b/g}, {t}: Gain control of target creature until the
end of the turn. Untap it.
{t}: Scry 2
{t}: Fateseal 1
"He has a thousand eyes and one, but there is much
to watch. One day you will know."