SM Black Star Promos

Kingdra GX

SM155/248 230 HP · Water · Promo

English card price

9.55 € 30-day average · general reference

We do not have the Near Mint average for the English print yet. Meanwhile this is the Cardmarket 30-day average, which mixes every language and condition (updated 03/11/2026).

See listings on Cardmarket ↗ What makes a card more valuable?

Number	SM155/248
Rarity	Promo
Category	Pokemon
Evolves from	Seadra
Type	Water
Weakness	Grass ×2
Retreat cost	2
Legality	Standard: No · Expanded: Yes
Finishes	Holo
Illustrator	5ban Graphics

What to know about this card

It is card 155 of the 248 in the official SM Black Star Promos checklist. If you are completing the set, mark it in your collection to keep track.
Rarity: Promo. The symbol in the bottom corner confirms it at a glance, as explained in Pokémon card rarities explained.
Artwork by 5ban Graphics. Some collectors chase every card by the same artist: how to start (in Spanish).

Attacks

Colorless

Hydro Pump

10+

This attack does 50 more damage times the amount of Water Energy attached to this Pokémon.

Water

Reverse Thrust

30

Switch this Pokémon with 1 of your Benched Pokémon.

Water

Maelstrom GX

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.)