Murder of Crows Tarot Cards. As an omen bringer, messenger, and scavenger, the crow has no master. It brings you the answers you need, although not always what you wanted. This captivating deck by Corrado Roi presents crows in all their gothic glory. It awakens your soul, bringing enlightenment as well as fear and disquiet. In striking black and white, this deck is a necessary addition to your collection. 78 Cards with Book.