Magearna is card #XY186 of 211 in XY Black Star Promos (2013), a Promo illustrated by Sanosuke Sakuma. At about $29.00 it is the #78 most valuable card in the set. It is one of 12 Magearna cards printed so far.
2013XY Black Star Promos
2016Steam Siege
2018Lost Thunder
2020Vivid Voltage
2022Silver Tempest
2025Journey Together

















See the full XY Black Star Promos card list
An ungraded Magearna from XY Black Star Promos sells for about $29.00. A PSA 10 is worth more, roughly $232 by our estimate, and a PSA 9 around $81.20.
It is a Promo.
Sanosuke Sakuma drew the art for this card.