Liberator of Bonds, Gancelot Zenith

(This ability is active if you have four or more damage): 1-card with "Liberator" in its card name & Choose one of your grade 2 or less rear-guards, and put it on the bottom of your deck] When this unit attacks a vanguard, you may pay the cost. If you do, look at the top card of your deck, search for up to one Gold Paladin from among them, call it to an open , put the rest on the bottom of your deck, and that unit gets +10000 until end of turn. :If you have a card named "Solitary Liberator, Gancelot" in your soul, this unit gets +2000. /:Lord (If you have a unit without a same clan as this unit, this unit cannot attack)