Sorinjace, Rebel Subservient

Conviction {b}{w}{u} (Whenever this creature attacks,
you may pay {b}{w}{u}, if you do, you may look at the
top card of target opponents library, you may play
that card face down as a 3/3 black rogue creature
under target opponents control or you may put that
card into that players graveyard.)
{x}{b}{w}{u}, {t}: Sacrifice Sorinjace, Rebel Subservient, you lose 3 life, target player discards
X cards.