Duo Temptation, Reit

(This ability is active if you have four or more damage): 2 At the end of the battle that this unit attacked a vanguard, you may choose two cards with "Duo" in its card name from your hand, and discard them. If all the cards discarded are of the same name, you may pay the cost. If you do, this unit, and this unit gets +3000 until end of turn. This ability cannot be used for the rest of that turn. : 1 When this unit attacks, you may pay the cost. If you do, choose one of your rear-guards with "Duo" in its card name, and return it to your hand. /:Lord (If you have a unit without a same clan as this unit, this unit cannot attack)