Discard any number of Supporter cards from your hand. This attack does 40 damage for each card you discarded in this way.
10+Thrilling Times-GX
Flip a coin. If heads, this attack does 100 more damage. If this Pokémon has at least 6 extra Water Energy attached to it (in addition to this attack's cost), flip 10 coins instead, and this attack does 100 more damage for each heads. (You can't use more than 1 GX attack in a game.)
How much is Slowpoke & Psyduck-GX #239/236 worth?
As of November 7, 2026, Slowpoke & Psyduck-GX #239/236 from Unified Minds sells for around $253.60 in raw, ungraded condition.
Grading changes the math on this one: a PSA 10 is valued around $1,237.00, roughly 4.9x the raw price, while a PSA 9 sits near $274.88. 980 copies have been graded to date, and 37% of them came back a 10 — worth knowing before you pay grading fees.
These figures come from nightly market-data syncs verified against completed sales. Use the chart above to see the trend before you buy or sell.