Chief Librarian, Fel Zharost

{t}{4}: Choose a untapped creature you control, until
your next turn, that creature cannot be damaged by creatures with lower power than it.
{t}{u}{u}{u}{u}: Scry 2, Draw a card
{t}{b}{b}{b}{b}: Lose 4 life, Choose two creatures you
don't control, they gain two -1/-1 counters.