Cards › Steam Siege › #29
Gastrodon
- Set
- Steam Siege
- Number
- 29
- Illustrator
- Aya Kusube
- Energy
- Water
It apparently had a huge shell for protection in ancient times. It lives in shallow tidal pools.
Gastrodon - Steam Siege
Gastrodon is a Rare Pokémon card from the Steam Siege Pokémon TCG set, released 2015, illustrated by Aya Kusube. It sits at card number 29 in the Steam Siege checklist, classified as a Water-type Pokémon with 110 HP and the Stage 1 subtype.
In collector terms, this is a standard rare, pulled roughly 1 per pack. Current TCGplayer market price tops out at $0.70 across 2 printed variants (Normal, Holofoil, Reverse Holo, etc.), with every variant's low / mid / high and direct prices listed below.
Gastrodon has been printed 4 times across different sets. The variant you're looking at (#29 in Steam Siege) is one of them - see every other printing further down to compare art, rarity, and current market price across all versions.
Prices USD 10 hours ago · 2026-04-26 08:12 UTC
Market Price History
Other printings of Gastrodon
Gastrodon FAQ
Click any question to expand. Every answer pulls from this card's live Catchinary data.
How much is Gastrodon from Steam Siege worth?
Current TCGplayer market price is $0.70 across 2 variants. See the full variant breakdown above for low / mid / high / market / direct prices. Graded estimates (PSA 10, PSA 9, CGC Perfect) are shown when available.
How rare is Gastrodon?
This printing is a standard rare, pulled roughly 1 per pack (the card is labeled "Rare" on the checklist). Gastrodon has been printed 4 times across different sets - earlier or limited printings often command premiums even when the rarity tier is identical.
Who illustrated Gastrodon?
Aya Kusube illustrated this card. See Aya Kusube's full Catchinary page for every Pokémon card they've drawn, grouped by set with current market prices, career stats, and alt-art highlights.
When was Gastrodon released?
The Steam Siege set released in 2015. This specific card (#29 in the set) has been tradeable on TCGplayer and Cardmarket since launch.
Where can I buy Gastrodon?
Click Buy on TCGplayer above for US listings, or the Cardmarket link for European listings. Both feeds update multiple times per day. For long-term holds, consider graded copies (PSA / CGC) which trade separately and usually at a premium over raw.
Is this card in Standard format?
Legal formats rotate as new sets release - see the Steam Siege set page for current Standard / Expanded / Unlimited status. Catchinary tracks 0 cards across every English-language set, so if this one has rotated out there's almost certainly a current-format reprint you can check.