Revenger, Desperate Dragon

(This ability is active if you have four or more damage):[ 1-card with "Revenger" in its card name] When this unit attacks a vanguard, if the number of rear-guards you have is more than your opponent's, you may pay the cost. If you do, this unit gets +5000/ +1 until end of that battle. []:[Choose one of your Shadow Paladin rear-guards and retire it] At the beginning of your main phase, you may pay the cost. If you do, your opponent chooses one of his or her rear-guards, and retires it. /:Lord (If you have a unit without a same clan as this unit, this unit cannot attack)