Halberd Revenger, Peredur

(This ability is active if you have four or more damage):[ 1 & Choose two of your rear-guards with "Revenger" in its card name, and retire them] When this unit attacks a vanguard, you may pay the cost. If you do, this unit gets +10000/ +1 until end of that battle.:[ 1-card with "Revenger" in its card name] When this unit is placed on , you may pay the cost. If you do, search your deck for up to one grade 1 or less card, call it to in the same column as this unit, and shuffle your deck.