Dimir Machinations
{2}{B}
Sorcery
Look at the top three cards of target player's library. Exile any number of those cards, then put the rest back in any order.
Transmute {1}{B}{B} ({1}{B}{B}, Discard ~this~: Search your library for a card with the same mana value as ~this~, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)