Whenever Misty's Gyarados attacks, flip 2 coins. If both of them are tails, that attack does nothing. Instead, shuffle Misty's Gyarados and all cards attached to it into your deck. (This power works even if Misty's Gyarados is Confused.)
Attacks
70Tidal Wave
How much is Misty's Gyarados #13/132 worth?
As of November 5, 2026, Misty's Gyarados #13/132 from Gym Challenge sells for around $164.85 in raw, ungraded condition. Across the 2 printings we track, copies run anywhere from $134.99 to $9,999.00 depending on the version you're holding.
Grading changes the math on this one: a PSA 10 is valued around $3,691.17, roughly 22.4x the raw price, while a PSA 9 sits near $400.00. 3,746 copies have been graded to date, and 4% of them came back a 10 — worth knowing before you pay grading fees.
We update this valuation every night from live market data and verify it against real completed sales — see the chart above for how Misty's Gyarados has moved over time.