One-Eyed Skill Gainer

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.

From Yu-Gi-Oh! Trading Card Game.

Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6nrb324mcesb1iu3mi3bmp.