Saruman, the Corrupted

Saruman, the Corrupted has hexproof as long as
you have four or more cards in hand.
At the beginning of your upkeep, you draw a
card and you lose 1 life.
{w}{u}{b}, {t}, Sacrifice a permanent: You gain 3
life. Target opponent loses 2 life. Surveil 1.
(Look at the top card of your library. You may put
that card into your graveyard.)