Choose 2 random cards from your opponent's hand. Your opponent reveals those cards and shuffles them into their deck.
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.)
Current market pricing for Trevenant & Dusknoir-GX (SM Black Star Promos) sits near $20.62. Price action is stable over 7 days, moving only 0.0%.
Relative to the last 30 days, value is near baseline at $20.64. The 90-day window shows a floor near $20.04 and a peak around $22.47 (12% total spread), which maps to low-volatility movement.
The listed rarity for this print is Promo.
Pricing context for collectors: Weekly drift is minimal (0.0%), indicating a relatively balanced short-term market. Observed 90-day bounds of $20.04 and $22.47 create a 12% band, matching a low-volatility profile.
Relative to the 30-day baseline ($20.64), pricing is near equilibrium. Top-grade copies show substantial separation from raw: PSA 10 is pricing +930% above the current raw benchmark.
PSA 9 is currently around $46.10, while PSA 10 is $212.37.
Trevenant & Dusknoir-GX is a SM Black Star Promos card from the 2017 release window. Its card type is Pokémon.
The rarity label is Promo. Printed HP is 270.
Energy typing is Psychic. This gives collectors a clear identity footprint for the print.
This print is categorized under the Basic, TAG TEAM, and GX subtype. Card rules text: TAG TEAM rule: When your TAG TEAM is Knocked Out, your opponent takes 3 Prize cards.
Release year for SM Black Star Promos is 2017. It belongs to the Sun & Moon series.
The checklist contains 250 cards, placing it in a large expansion range. As of 2026, the set is 9 years old and now falls into an established back-catalog period.
In the SM Black Star Promos checklist, Trevenant & Dusknoir-GX occupies position #SM217 as a Promo card.