Eradicator, Vowing Saber Dragon "Яeverse"
Counter-Blast 1 and lock one rear-guard, and your opponent chooses a card each from their hand, drop and among their rear-guard and binds it!
When your opponent's normal unit is bound except from the deck, your opponent may bind a card with the same card name from their deck! If they bind a card this way, one of your units get +5000 Power, otherwise one of your units get +10000 Power instead!
When attacking, if there is a card with "Vowing" in its card name in your soul or on your rear-guard circle, pay the cost and stand a rear-guard! If you have four or more cards in your damage zone, restand all of your rear-guards instead!
This unit can bind cards not just from your opponent's drop and from among your opponent's rear-guards, but also from the hand as well! Bind large amounts of your opponent's cards and aim for consecutive attacks from your strengthened rear-guards!

Eradicator, Vowing Sword Dragon
When your opponent's normal unit is bound except from your deck, your opponent may bind a card with the same card name from their deck! If they bind a card this way, one of your units gets +5000 Power, otherwise one of your units get +10000 Power instead!
When rode upon, call this card and for every two cards in your damage zone, bind a card from your opponent's drop!
Ride "Eradicator, Vowing Saber Dragon "Яeverse"" from this card and keep binding your opponent's cards!