Magikarp & Wailord GX SM166

SM Promos • Promo • Holofoil

All 9 printings from $33.86 →

Sold $153.50–$244.00 this week

6 NM sales this week · 13 in 30 days

TCGplayer market $188.63as of Oct 31, 2026↓ -$7.32 (-3.7%) this week

Buy on eBay or TCGplayer

We may earn a commission on these links, at no cost to you.

Add to portfolio

Selling it? At market it nets about $163.01 on TCGplayer or $161.49 on eBay after fees. Where to sell and the fee calculator →

Sales & Velocity

As of 2026-10-31

Listings are below the recent sold range

Sold (7d / 30d)

10 / 33

NM sold between (7d)

$153.50–$244.00

Cheapest listing

$90.00

Units sold per day, Aug 4–Oct 28 (Near Mint)

Units sold per day, Near Mint
Date	Units sold	Sold between
Aug 4	1	$199.99–$199.99
Aug 6	1	$240.00–$240.00
Aug 17	1	$190.50–$190.50
Aug 21	1	$178.00–$178.00
Aug 22	1	$178.00–$178.00
Aug 24	1	$194.00–$194.00
Sep 1	1	$174.48–$174.48
Sep 4	1	$164.82–$164.82
Sep 13	2	$159.99–$161.83
Sep 19	1	$184.22–$184.22
Sep 22	1	$176.44–$176.44
Oct 1	1	$174.49–$174.49
Oct 4	1	$173.49–$173.49
Oct 10	1	$244.00–$244.00
Oct 15	1	$244.00–$244.00
Oct 17	1	$173.49–$173.49
Oct 18	1	$249.99–$249.99
Oct 20	1	$173.49–$173.49
Oct 22	1	$173.49–$173.49
Oct 26	1	$175.35–$175.35
Oct 28	5	$153.50–$244.00

Condition	Sold 7d	Sold 30d
Damaged	1	3
Heavily Played	0	1
Lightly Played	3	12
Moderately Played	0	4
Near Mint	6	13

Sales data: TCGplayer

Quick answers

How much is Magikarp & Wailord GX SM166 worth?

As of October 31, 2026, Magikarp & Wailord GX SM166 from SM Promos has a TCGplayer market price of $188.63. 6 Near Mint copies sold on TCGplayer this week at $153.50 to $244.00.

Is Magikarp & Wailord GX SM166 going up or down in price?

Its TCGplayer market price is up 8.7% over the past 30 days and down 3.7% over the past week, as of October 31, 2026.

How can I track the price of Magikarp & Wailord GX SM166?

Set a free price alert on this page: enter your email and a target price, and The Lab TCG emails you when the TCGplayer market price falls to it. Prices are checked every night, and no account is needed.

Price Snapshot

Market

$188.63

Low

$90.00

Mid

$196.89

High

$9,999.00

7-Day:-$7.32 (-3.7%)

30-Day:+$15.16 (+8.7%)

Percent of Market

Buying? See what a price is as a share of market. Selling? Start at market and read down to a buylist offer or up to an asking price.

% of Market price	Price	Usually means
50%	$94.32	Cash buylist, low end
60%	$113.18	Cash buylist, typical
70%	$132.04	Buylist top end, store credit
80%	$150.90	Bulk lot or quick sale
90%	$169.77	Quick sale, just under market
100%	$188.63	Market price
110%	$207.49	Asking price, room to negotiate
120%	$226.36	Asking price, room to negotiate
150%	$282.95	Presale and hype pricing

Your price (USD)

$

Type what you are being asked to pay, or what you plan to list at.

Market price is the TCGplayer market price. TCGplayer Low is the lowest listed near-mint price at the last snapshot. Definitions

Card text

Basic Pokémon · 300 HP · Water

WWWWWSuper Splash180
[W+] Towering Splash GX (10)
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.)

TAG TEAM rule — When your TAG TEAM is Knocked Out, your opponent takes 3 Prize cards.

Weakness Gx2 · Retreat 4

Where to Buy

TCGPlayerRaw$188.63Raw copies, condition graded by the marketplace

Buy Now

eBayRaw listings and graded slabs

Raw listings PSA listings

TCGplayer for raw copies (condition is graded by the marketplace, not the seller). eBay for more listings and slabs. Links may earn us a commission at no cost to you.

Protect this card

Code THELAB takes 10% off at BCW

Sleeve + toploader combo
Sleeve first, then the rigid holder. Standard for anything you might sell.
Shop BCW
Display cases
For a card you plan to keep on show, or a slab once it comes back graded.
Shop BCW

We use these ourselves. BCW links are affiliate links; the code works whether or not you click through.