The Magistar

{t}{2} Exile target permanent
{t}{3} Look at the top card of target players library. You may exile up to 1 of these cards.
{t}{5} Look at the top 2 cards of target players library. You may exile up to 2 of these cards.
{t}{7} Look at the top 3 cards of target players library. You may exile up to 3 of these cards.
{t}{8}{w}{u}{b}{r}{g} Exile Target Players library.
In the world of magic knowledge means everything and it means death