Lars Manning, The Betrayer

Deathtouch
Whenever an opponent discards a card, you may
search your library for a card, put that card into
your hand, then shuffle your library. You lose 2
life.
{2}{u}{b}: Target opponent discards a card at
random. Play this ability only once each turn.
"Knowing is half the battle. And it looks like you
know nothing at all."