If this Pokémon has at least 7 extra Water Energy attached to it (in addition to this attack's cost), this attack does 100 damage to each of your opponent's Benched Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon.) (You can't use more than 1 GX attack in a game.)
How much is Magikarp & Wailord-GX #183/181 worth?
As of November 7, 2026, Magikarp & Wailord-GX #183/181 from Team Up sells for around $146.24 in raw, ungraded condition.
A PSA 10 copy runs about $430.00 and a PSA 9 about $165.00 — a 2.9x premium over raw, so condition and grading costs matter here. 1,351 copies have been graded to date, and 44% 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.