Vylon Disigma (HA06-EN052) - Hidden Arsenal 6: Omega Xyz Unlimited

3 Level 4 monsters
Once per turn: You can detach 1 Xyz Material from this card to target 1 face-up Attack Position Effect Monster your opponent controls; equip that target to this card. At the start of the Damage Step, if this card battles a monster whose Attribute is the same as a card equipped by this effect: Destroy that monster.