Decidueye GX SM37

Pokemon card from SM Black Star Promos · released Feb 3, 2017

~$10.28 Holofoil

as of Oct 30, 2026 · Buy links are affiliate links.

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Decidueye GX SM37 SM Black Star Promos Pokemon card

Decidueye GX is a Promo Grass-type Pokemon card, number SM37 in SM Black Star Promos (released Feb 3, 2017), illustrated by 5ban Graphics. Its TCGplayer market price was ~$10.28 for the holofoil finish on Oct 30, 2026. Between Oct 1 and Oct 30, 2026, its Holofoil TCGplayer market price went from ~$9.09 to ~$10.28, up 13.1%.

Prices by finish

Finish	PriceMarket price	Low	Mid	Buy
Holofoil	~$10.28	~$3.96	~$10.27	Buy Holofoil on TCGplayer (opens in a new tab)Search eBaySearch AmazonCardNexus

TCGplayer market prices per finish, as of Oct 30, 2026. A guide, not an appraisal; condition and grading change real-world value. Buy links are affiliate links.

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Card details

Set	SM Black Star Promos
Number	SM37
Rarity	Promo
Type	Grass
HP	240
Artist	5ban Graphics
Format legality	Expanded
Finishes	Holofoil

What the codes mean

Card numberSM37A Black Star Promo number. Promos are numbered in their own series, with no set total.
Set symbolThe small SM Black Star Promos symbol identifies the set. Cards from before Scarlet & Violet print a symbol instead of a set code.
Regulation markNo regulation mark. Cards before Sword & Shield (2020) have none.
RarityPromo: the Black Star Promo symbol.
Illustrator“Illus. 5ban Graphics” names the artist who made the art.