If your opponent's Active Pokémon is a Pokémon-GX or a Pokémon-EX, this attack does 60 more damage. This attack's damage isn't affected by Weakness.
Flip 2 coins. This attack does 60 more damage for each heads.
This attack's damage isn't affected by any effects on your opponent's Active Pokémon. (You can't use more than 1 GX attack in a game.)
Current valuation lens: Weekly drift is minimal (0.0%), indicating a relatively balanced short-term market. The 90-day range spans $18.10 to $19.48 (7% spread), which indicates low-volatility behavior.
Current value remains close to its 30-day mean ($19.02). Without a consistent graded comp in the current snapshot, live listings are still required for reliable condition-based valuation.
Zekrom-GX (SM Black Star Promos) is presently valued at about $19.48 in raw condition. Its 7-day movement is largely flat at 0.0%.
Current value is elevated versus the 30-day mean ($19.02), by 2.4%. In the past 90 days, observed prices ranged from $18.10 to $19.48 (7% spread), a low-volatility profile.
Rarity classification for this copy is Promo.
Zekrom-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 180.
Energy typing is Lightning. This gives collectors a clear identity footprint for the print.
It carries a Basic and GX subtype designation. Card rules text: Pokémon-GX rule: When your Pokémon-GX is Knocked Out, your opponent takes 2 Prize cards.
SM Black Star Promos was released in 2017. It belongs to the Sun & Moon series.
With 250 listed cards, this is a large set by modern TCG standards. As of 2026, the set is 9 years old and now falls into an established back-catalog period.
Zekrom-GX (#SM138) is one of the Promo prints in this expansion.