Azelf is card #XY142 of 211 in XY Black Star Promos (2013), a Promo illustrated by chibi. At about $12.72 it is the #136 most valuable card in the set. It is one of 9 Azelf cards printed so far.
2007Mysterious Treasures
2008Legends Awakened
2013Plasma Blast
2018Forbidden Light
2019Unified Minds
2022Astral Radiance
2024Surging Sparks

















See the full XY Black Star Promos card list
An ungraded Azelf from XY Black Star Promos sells for about $12.72. A PSA 10 is worth more, roughly $102 by our estimate, and a PSA 9 around $35.62.
It is a Promo.
chibi drew the art for this card.