Eradicator, Vowing Saber Dragon "Яeverse"

:[ 1 & lock one of your rear-guards], your opponent chooses a card each from their rear-guards, hand, and drop, and bind them. :When your opponent's normal unit is bound other than from their deck during your turn, your opponent searches their deck for up to one card with the same card name as that bound card, binds it and shuffles their deck, you choose one of your units, and it gets +5000 until end of turn. If your opponent did not bind a card, it gets +10000 instead of +5000. :When this unit attacks, if you have one or more cards with "Vowing" in its card name in soul or on , [ 1 & 1], choose one of your rear-guards, and it. If you have four or more cards in your damage zone, all of your rear-guards.