Grateful Catapult

(This ability is active if you have four or more damage):[ 2 & Choose a card named "Grateful Catapult" from your hand, and discard it] When this unit attacks a vanguard, you may pay the cost. If you do, search your deck for up to two Spike Brothers, call them to open , and shuffle your deck. /:Lord (If you have a unit without a same clan as this unit, this unit cannot attack)