Adroit Revenger, Teyrnon

: 1 When your vanguard [Legion], you may pay the cost. If you do, choose one of your vanguards, until end of turn, it gets ":When this unit attacks a vanguard, your opponent chooses one of his or her rear-guards, and may retire it. If he or she does not, until end of that battle, your opponent cannot call cards from hand to .".