Kingdra GX SM155
Pokemon card from SM Black Star Promos · released Feb 3, 2017
Kingdra GX is a Promo Water-type Pokemon card, number SM155 in SM Black Star Promos (released Feb 3, 2017), illustrated by 5ban Graphics. Its TCGplayer market price was ~$17.13 for the holofoil finish on Oct 30, 2026. Between Oct 1 and Oct 30, 2026, its Holofoil TCGplayer market price went from ~$17.58 to ~$17.13, down 2.6%.
Prices by finish
| Finish | PriceMarket price | Low | Mid | Buy |
|---|---|---|---|---|
| Holofoil | ~$17.13 | ~$10.49 | ~$17.96 | CardNexuseBayBuy Holofoil on TCGplayer (opens in a new tab)Search eBaySearch AmazonCardNexus |
TCGplayer market prices per finish, as of Oct 30, 2026. A guide, not an appraisal; condition and grading change real-world value. Buy links are affiliate links.
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Card details
| Set | SM Black Star Promos |
| Number | SM155 |
| Rarity | Promo |
| Type | Water |
| HP | 230 |
| Artist | 5ban Graphics |
| Format legality | Expanded |
| Finishes | Holofoil |
What the codes mean
- Card numberSM155A Black Star Promo number. Promos are numbered in their own series, with no set total.
- Set symbol
The small SM Black Star Promos symbol identifies the set. Cards from before Scarlet & Violet print a symbol instead of a set code. - Regulation markNo regulation mark. Cards before Sword & Shield (2020) have none.
- RarityPromo: the Black Star Promo symbol.
- Illustrator“Illus. 5ban Graphics” names the artist who made the art.
Attacks & abilities
Hydro Pump10+This attack does 50 more damage times the amount of Water Energy attached to this Pokémon.
Reverse Thrust30Switch this Pokémon with 1 of your Benched Pokémon.
Maelstrom GXThis 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.)
Weakness: Grass ×2 · Retreat cost: 2
Other Kingdra GX printings
More SM Black Star Promos cards
All Kingdra cards · SM Black Star Promos price list
Card data via TCGdex and pokemontcg.io, updated Oct 30, 2026. Prices: TCGplayer market prices via TCGCSV, Oct 30, 2026.