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Trevenant & Dusknoir GX

HP 270PsychicBasic

How much is Trevenant & Dusknoir GX SM217 (SM Black Star Promos) worth?

Trevenant & Dusknoir GX SM217 (French Desséliande et Noctunoir GX, SM Black Star Promos · SMP, normal, language per Cardmarket listing, 2017) is worth €8.65 on 13 October 2026 (Cardmarket trend).

Cardmarket 30-day average: €12.34; lowest listing: €2.00. In the US, TCGplayer lists it at $33.93.

Trend of the Cardmarket listing across all conditions and editions of this print, excluding reverse holo; graded copies trade separately.

Source: Cardmarket via Pepita · updated 13 October 2026

Has Trevenant & Dusknoir GX SM217 gone up in value?

Trevenant & Dusknoir GX SM217 (French Desséliande et Noctunoir GX, SM Black Star Promos · SMP, normal, language per Cardmarket listing, 2017) is priced at €8.65 on 13 October 2026: +151.5% since 30 December 2024 (€3.44) and −79.0% since 13 September 2026 (€41.26), based on the Cardmarket trend.

Date	€	Change to latest quote
13 October 2026	€8.65	+0.0%
13 September 2026	€41.26	−79.0%
17 June 2026	€7.14	+21.1%
30 December 2024	€3.44	+151.5%
4 September 2026 (series high)	€65.05	−86.7%

Change in the Cardmarket trend, not actual sales; the history has gaps with no readings between some dates.

Source: Cardmarket via Pepita · updated 13 October 2026

€40€30€20€10€0.00

€80€60€40€20€0.00

€75€50€25€0.00

7-day change: —; Cardmarket trend
30-day change: −76.9%; Cardmarket trend
Average sale: €12.09; Cardmarket sales
Lowest listing: €2.00; Cardmarket listings

Price analytics · Normal

Trend price: €8.65
Average sold price: €12.09
1-day average: €5.00
7-day average: €7.66
30-day average: €12.34
Lowest listed: €2.00

US market · TCGplayer ($)

Holo: Low $21.96 · High $168.02$33.93

Where to buy

Links open the sellers’ own sites. Pepita earns no commission from them.

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Night Watch150

Choose 2 random cards from your opponent’s hand. Your opponent reveals those cards and shuffles them into their deck.

Pale Moon GX

At the end of your opponent’s next turn, the Defending Pokémon will be Knocked Out. If this Pokémon has at least 1 extra Psychic Energy attached to it (in addition to this attack’s cost), discard all Energy from your opponent’s Active Pokémon. (You can’t use more than 1 GX attack in a game.)