Magikarp & Wailord-GX SM Black Star Promos #SM166
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 $129.58 ungraded. Prices are aggregated across marketplaces — raw and graded, updated daily and shown in your local currency.
Prices last updated 2 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 hammer prices from Fanatics Collect weekly and premier auctions, 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 | +$1,826 | 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
Cross-market prices
154% spreadCurrently 154% 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
61% 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 2 July 2026, Magikarp & Wailord-GX from SM Black Star Promos is worth approximately $129.58 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 $129.58 ungraded.