Fleeting Longing, Baruel

Black Wings(Active when bind only has even grades) - :When this unit is placed on , 3, choose one of your opponent's units for every two of your rear-guards with even grades, and they get -5000 until end of turn. Then, your opponent puts all of their rear-guards with ０ or less on the bottom of their deck in any order. (You cannot choose the same unit twice)