Rocati, Duke of Martyne

First strike, haste
When Rocati, Duke of Martyne attacks, you may have the defending player reveal his or her hand. If you do, choose a creature card revealed this
way and put it onto the battlefield under your control tapped and attacking. Return that creature to its owner's hand at end of combat.
The city of Martyne has no standing army, yet it's security remains unquestioned.