Vivi, Wandering Archivist

Whenever Vivi, Wandering Archivist enters the battlefield, scry 1.
{u}{u},{t}: Exile any number of cards from your
hand. Draw that many cards, then put the exiled
cards back on top of your library in any order.
{2}{r},{t}: Deal 4 damage to any target.
{1}{b}{b}{b},{t}: Target opponent loses life equal to
the amount of cards in your hand.