You can only activate 1 card with this card’s name per turn.
(1) When your opponent activates a monster effect: Destroy 1 “Battlin’ Boxer” or “Number” Xyz Monster you control, and if you do, negate the activation, and if you do that, destroy that monster, then you can Special Summon 1 “Battlin’ Boxer” Xyz Monster from your Extra Deck with a different name from your destroyed monster, and if you do, attach this card to it as material.
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