Death Star-vader, Glueball Avalanche

(G zone):If your G zone has two or more face up "Death Star-vader, Glueball Avalanche", when your opponent's card would be unlocked, bind it face down instead. :[ 1 & turn a card from your G zone face up], choose two of your opponent's rear-guards, lock them, and all of your front row units get +2000 until end of turn for each of your opponent's locked cards and face down cards in his or her bind zone.