Number C105: Battlin' Boxer Comet Cestus

FIREEffect Xyz Monster

4 Level 5 monsters If this card destroys an opponent's monster by battle and sends it to the GY: Inflict damage to your opponent equal to half the destroyed monster's original ATK. If this card has "Number 105: Battlin' Boxer Star Cestus" as material, it gains this effect. • Once per turn: You can detach 1 material from this card, then target 1 monster your opponent controls; destroy it, and if you destroyed a face-up monster, inflict damage to your opponent equal to the ATK that monster had on the field.