Every Magikarp & Wailord card we price, most valuable first. Prices are what copies actually sold for, updated daily.
The same Pokemon is also printed as Magikarp, priced separately because the game treats them as different cards.
What a Magikarp & Wailord card is worth
The most valuable Magikarp & Wailord on this list is Magikarp & Wailord GX (Alternate Full Art) from SM - Team Up at $882.13£663.93€776.86, and the 5 priced copies across 3 sets are worth $1.4k£1.0k€1.2k together. Most of that sits in a handful of printings: the older the set and the scarcer the print run, the wider the gap to the rest.
Magikarp & Wailord is printed in Japanese as well: 4 cards across 1 sets, the most valuable of them Magikarp & Wailord GX from Tag Bolt at $319.46£240.44€281.34. Switch the list above to Japanese to read those, or to Both to rank the two catalogues against each other.
The highest PSA 10 on record for Magikarp & Wailord sold for $37,210£28,006€32,770. Rarities here include Secret Rare.
If you are trying to identify which Magikarp & Wailord you have, the set name is printed on the card and the collector number sits in the bottom corner. Open the card here and the page carries every printing of it, the graded prices, and whether grading the copy is worth the fee. Sets to start with: SM - Team Up, SM Promos, Jumbo Cards.