Effect
During the Battle Phase, when a Spell/Trap Card, or monster effect, is activated while you control a "Battlin' Boxer" monster: Negate the activation, and if you do, destroy that card.
If you control a face-up "Battlin' Boxer" monster, you can activate this card during the Battle Phase. (You can activate this card during the Damage Step.)
You cannot activate this card if the only "Battlin' Boxer" monsters you control are in face-down Defense Position or are being treated as Equip Cards.
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