When you play this Pokémon from your hand to evolve 1 of your Pokémon during your turn, you must discard the top 5 cards of your deck.
Attacks
200Hyper Beam
Discard an Energy from your opponent's Active Pokémon.
“Once it appears, it goes on a rampage. It remains enraged until it demolishes everything around it.”
How much is Gyarados #130/165 worth?
As of November 4, 2026, Gyarados #130/165 from 151 sells for around $0.33 in raw, ungraded condition. Across the 3 printings we track, copies run anywhere from $0.05 to $100.00 depending on the version you're holding.
Grading changes the math on this one: a PSA 10 is valued around $124.99, roughly 378.8x the raw price, while a PSA 9 sits near $12.07. 2,443 copies have been graded to date, and 86% 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.