Magnezone is card #SWSH208 of 307 in SWSH Black Star Promos (2019), a Promo illustrated by zig. At about $1.15 it is the #232 most valuable card in the set. It is one of 28 Magnezone cards printed so far.
2007Diamond & Pearl
2010HS—Triumphant
2013Plasma Storm
2015BREAKthrough
2018Ultra Prism
2019Unified Minds
2022Lost Origin
2023Scarlet & Violet

















See the full SWSH Black Star Promos card list
An ungraded Magnezone from SWSH Black Star Promos sells for about $1.15. A PSA 10 is worth more, roughly $5.75 by our estimate, and a PSA 9 around $2.64.
It is a Promo.
zig drew the art for this card.