Benoit, Leader of Spies

When Benoit, Leader of Spies enters the battlefield, you may search your library for a creature card, reveal it, and exile it.
When Benoit, Leader of Spies attack, you may pay {r/g}{r/g}. If you do, look at the defending player's hand. You may exile an instant or sorcery card from it.
You may cast cards exiled with Benoit, Leader of Spies as if they had Flash.