Gastrodon 29/114
Pokemon card from Steam Siege · released Aug 3, 2016
Gastrodon is a Rare Water-type Stage 1 Pokemon card, number 29/114 in Steam Siege (released Aug 3, 2016), illustrated by Aya Kusube. Its TCGplayer market price was ~$0.81 for the reverse holofoil finish on Oct 30, 2026. Between Oct 1 and Oct 30, 2026, its Reverse Holofoil TCGplayer market price was unchanged at ~$0.81.
Prices by finish
| Finish | PriceMarket price | Low | Mid | Buy |
|---|---|---|---|---|
| Normal | ~$0.62 | ~$0.24 | ~$0.57 | CardNexuseBayBuy Normal on TCGplayer (opens in a new tab)Search eBaySearch AmazonCardNexus |
| Reverse Holofoil | ~$0.81 | ~$0.40 | ~$0.87 | CardNexuseBayBuy Reverse 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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Sealed Steam Siege products
TCGplayer market prices (via TCGCSV), Oct 30, 2026.
![Steam Siege Sleeved Booster Pack Art Bundle [Set of 4]](https://static.pokemoncardlist.net/images/cards/sealed-276599.avif)
Sleeved Booster Pack Art Bundle [Set of 4]~$138.32Buy on CardNexusSearch eBayBuy on TCGplayer Steam Siege Sleeved Booster Pack Art Bundle [Set of 4] (opens in a new tab)Search eBaySearch AmazonCardNexus
Card details
| Set | Steam Siege |
| Number | 29/114 |
| Rarity | Rare |
| Type | Water |
| HP | 110 |
| Stage | Stage 1 — evolves from Shellos |
| Artist | Aya Kusube |
| Format legality | Expanded |
| Finishes | Normal · Reverse Holofoil |
What the codes mean
- Card number29/114Card 29 of the 114 in the main Steam Siege list.
- Set symbol
The small Steam Siege 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.
- RarityRare: a black star.
- Illustrator“Illus. Aya Kusube” names the artist who made the art.
Attacks & abilities
Sticky Shot20During your opponent's next turn, the Defending Pokémon's attacks cost Colorless more, and its Retreat Cost is Colorless more.
Water Pulse60Your opponent's Active Pokémon is now Asleep.
Weakness: Grass ×2 · Retreat cost: 2
Other Gastrodon printings
More Steam Siege cards
All Gastrodon cards · Steam Siege price list
Card data via TCGdex and pokemontcg.io, updated Oct 30, 2026. Prices: TCGplayer market prices via TCGCSV, Oct 30, 2026.