Revenger, Raging Form Dragon

(This ability is active if you have four or more damage):［Choose three of your rear-guards with "Revenger" in its card name, and retire them]At the end of the battle that this unit attacked, you may pay the cost. If you do, choose up to one "Revenger, Raging Form Dragon" from your hand, ride it as , and choose your vanguard, and that unit gets +10000 until end of turn. : 1When this unit attacks, you may pay the cost. If you do, this unit gets +3000 until end of that battle. /:Lord (If you have a unit without a same clan as this unit, this unit cannot attack)