Boney Keynose

Wrest ( when this unit deals damage to an enemy king piece you may choose a card in that opponents hand, they reveal it and you may play it until the end of turn.)
Conceal : you may play this card facedown for {2} mana instead of paying its mana cost. If this card is a unit its a 2/2 with ( movement range, attack range) and can be turned face up by paying its mana cost, or after it has received damage.)