One-Eyed Skill Gainer

[ Warrior / Xyz / Effect ] 3 Level 4 monsters You can detach 1 Xyz Material from this card to target 1 face-up Xyz Monster your opponent controls; this card's name and original effect become the same as that monster. This effect can only be used once while this card is face-up on the field. ATK/ 2500 DEF/ 2600