This attack does 50 more damage times the amount of Water Energy attached to this Pokémon.
Switch this Pokémon with 1 of your Benched Pokémon.
This attack does 40 damage to each of your opponent's Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon.) (You can't use more than 1 GX attack in a game.)
Current market pricing for Kingdra-GX (SM Black Star Promos) sits near $10.45. Price action is stable over 7 days, moving only 0.0%.
Against its 30-day baseline of $9.85, this card is pricing 6.1% higher. The 90-day window shows a floor near $8.75 and a peak around $10.45 (16% total spread), which maps to low-volatility movement.
Rarity classification for this copy is Promo.
Collector-focused market read: Weekly drift is minimal (0.0%), indicating a relatively balanced short-term market. With a 16% 90-day spread ($8.75-$10.45), this card currently tracks as low-volatility.
Versus the 30-day average ($9.85), the card is trading 6.1% higher. Top-grade copies show substantial separation from raw: PSA 10 is pricing +1248% above the current raw benchmark.
PSA 9 is currently around $38.17, while PSA 10 is $140.85.
In 2017, SM Black Star Promos introduced this print of Kingdra-GX. Its card type is Pokémon.
The rarity label is Promo. Printed HP is 230.
Energy typing is Water. This gives collectors a clear identity footprint for the print.
As an evolution, Kingdra-GX develops from Seadra. Printed card effect: Pokémon-GX rule: When your Pokémon-GX is Knocked Out, your opponent takes 2 Prize cards.
Other Kingdra-GX printings create a useful comparison set for Kingdra-GX. Comparable entries in this snapshot: 2 cards, 1 distinct set.
In this sample, pricing ranges between $3.36 and $7.60 (126% total span). Relative to the alternative average ($5.48), this card is +91%.
Notable alternatives include Kingdra-GX #18 (Dragon Majesty) at $3.36 and Kingdra-GX #66 (Dragon Majesty) at $7.60.
Release year for SM Black Star Promos is 2017. Series classification for this set is Sun & Moon.
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.
Within this set, Kingdra-GX is card number SM155 with a Promo designation.
