Blastoise

Expedition Base Set · #37/165 · Rare · 2002

$85.07
Market price 5.5% (30d)
Prices as of Jul 26, 2026
HP 100WaterStage 2Art · Kimiya Masago
1,708graded pop
19%gem rate
4.5×PSA 10 vs raw
-49%off ATH $140.17 · Jul 2026
$40.79eBay floor · 8 live
+$204.76EV to grade — worth it

Printings & price history

37 0.0% 7d$85.07
Low $94.00Mid $195.50

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Graded values

updated 2026-07-26
Grade 6 est.$67.61
Grade 5 est.$56.94
Grade 4 est.$46.97
Grade 3 est.$39.14
Grade 2 est.$32.03
Grade 1 est.$27.04

Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.

PSA 10 price history$736.00

PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.

Graded population census · updated 2026-07-08

PSA729 graded · 212 gem 10
CGC224 graded · 45 gem 10

Population data from PriceCharting, updated monthly.

Abilities

Jet Stream
Once during your turn (before your attack), if Blastoise is your Active Pokémon, you may flip a coin. If heads, discard an Energy card attached to Blastoise, if any. Then, if there are any Energy cards attached to the Defending Pokémon, choose 1 of them and discard it. This power can't be used if Blastoise is affected by a Special Condition.

Attacks

40+Energy Cannon
Does 40 damage plus 10 more damage for each Energy attached to Blastoise but not used to pay for this attack's Energy Cost. You can't add more than 20 damage in this way.

How much is Blastoise #37/165 worth?

As of July 26, 2026, Blastoise #37/165 from Expedition Base Set sells for around $85.07 in raw, ungraded condition. Across the 2 printings we track, copies run anywhere from $94.00 to $963.10 depending on the version you're holding.

Grading changes the math on this one: a PSA 10 is valued around $736.00, roughly 8.7x the raw price, while a PSA 9 sits near $311.24. 729 copies have been graded to date, and 29% of them came back a 10 — worth knowing before you pay grading fees.

Prices on this page refresh nightly from live TCGplayer market data and are cross-checked against actual sold prices, so a single inflated listing never becomes "the price". The chart above has the full history.