Magikarp & Wailord-GX SM Black Star Promos #SM166
Sold prices, not asking · Updated 5 July 2026
Confidence medium · How we price →
Magikarp & Wailord-GX is a Promo Pokémon card from SM Black Star Promos (#SM166), illustrated by Mitsuhiro Arita. It's a Basic TAG TEAM GX Water-type Pokémon with 300 HP, weak to Grass ×2. Its current blended market value is $129.40 ungraded. Prices are aggregated across marketplaces — raw and graded, updated daily and shown in your local currency.
Prices last updated 5 July 2026.
| Grade | Relative value | Price |
|---|---|---|
| PSA 9 | $2,082$1,134–$3,700 | |
| PSA 8 | $313$240–$360 | |
| PSA 7 | $195$125–$200 | |
| PSA 6 | $79$45–$95 |
Price history · raw near-mint
Not enough price history to chart yet.
Recent sold prices
Real completed sale prices from Fanatics Collect — weekly and premier auctions plus marketplace Buy It Now sales, refreshed periodically. Grade read from the listing title.
Should you grade it?
after ~$125.81 grading fee → 16.1× the raw value
| Target grade | Est. value | Grading fee | Net vs raw | Multiple |
|---|---|---|---|---|
| PSA 9 | $2,081.85 | $125.81 | +$1,827 | 16.1× |
| PSA 8 | $312.62 | $73.12 | +$110 | 2.4× |
Net = graded value − raw value − grading cost (tier fee + ~$20 round-trip shipping), using PSA fees as of 2026-06-28; the paused PSA Value tier is excluded so this isn't overstated. Real outcome depends on the grade achieved; PSA 10 is best-case.
We'll email you when this card's value crosses your target.
Where to buy
Market dataCross-market spread, EU price, momentum & community buzz
Cross-market prices
152% spreadCurrently 152% cheaper on Cardmarket than TCGplayer. These are independent market prices for the same card — a wide gap can mean a buying opportunity. Informational only, not arbitrage advice.
Market signal
Derived from this card's 90-day price history, recent trend and cross-market price gap. Informational, not advice.
🇪🇺 Cardmarket price · Europe
60% cheaper than the USCard text
TAG TEAM rule: When your TAG TEAM is Knocked Out, your opponent takes 3 Prize cards.
About the Pokémon
In the distant past, it was somewhat stronger than the horribly weak descendants that exist today.
Card details
Other Magikarp & Wailord-GX cards
There are 4 different Magikarp & Wailord-GX printings — make sure you're valuing the right one. This is SM Black Star Promos #SM166 (Promo).
More from SM Black Star Promos
Frequently asked questions
How much is Magikarp & Wailord-GX (SM Black Star Promos #SM166) worth?
As of 5 July 2026, Magikarp & Wailord-GX from SM Black Star Promos is worth approximately $129.40 ungraded (near-mint). Values are blended from real Cardmarket, eBay sold and TCGplayer prices and update daily.
Is Magikarp & Wailord-GX rare?
Magikarp & Wailord-GX is a Promo card from SM Black Star Promos (card #SM166), illustrated by Mitsuhiro Arita. Its current blended market value is $129.40 ungraded.