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Magikarp & Wailord GX SM166 — SM Black Star Promos

Card image ©Pokémon/Nintendo/Creatures/GAME FREAK · shown for reference. Legal

SM Black Star Promos· Sun & Moon

Magikarp & Wailord GX

SM166PromoSecret rare300 HP Water
Market price · Holo
$188.63
TCGplayer (US) · updated Nov 2, 2026
≈ $193.62 delivered +$4.99 tracked shipping (needed for pricier cards)

Estimate for one card from a US seller. Buying several cards from the same seller shares one shipping fee. Shipping to Canada varies by seller.

TCGplayer · US market
Market
$188.63
Low
—
Mid
—
Graded · Holo
PSA 10
$78,000
3 sales
PSA 9
$2,600
25 sales
PSA 8
$325.00
67 sales

PSA population: 1,539 graded · 1% PSA 10

Recent eBay sales.

Printings (1)

Collection tracking (owned printings, condition, what you paid) opens October 25 — bookmark this page and check back.
Super Splash180
Towering Splash GX10

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.)

Weakness
×2
Retreat
4
Illustrator
Mitsuhiro Arita
Pokédex
#0129#0321
Format
Not StandardExpanded ✓
Released
February 3, 2017

Price history

$140.00$160.00$180.00Oct 3Oct 18Nov 2
Show as table
DateHolo
Nov 2, 2026$188.63
Nov 1, 2026$188.63
Oct 31, 2026$188.63
Oct 30, 2026$188.63
Oct 29, 2026$188.23
Oct 28, 2026$188.23
Oct 27, 2026$195.46
Oct 26, 2026$195.46
Oct 25, 2026$195.95
Oct 24, 2026$195.95
Oct 23, 2026$195.95
Oct 22, 2026$195.95
Oct 21, 2026$198.97
Oct 20, 2026$198.97
Oct 19, 2026$197.17
Oct 18, 2026$197.17
Oct 17, 2026$192.24
Oct 16, 2026$190.46
Oct 15, 2026$190.46
Oct 14, 2026$185.90
Oct 13, 2026$185.90
Oct 12, 2026$185.90
Oct 11, 2026$185.90
Oct 10, 2026$185.90
Oct 9, 2026$181.34
Oct 8, 2026$181.34
Oct 7, 2026$181.34
Oct 6, 2026$181.34
Oct 5, 2026$181.34
Oct 4, 2026$176.00
Oct 3, 2026$173.47

Showing the last 30 days. Full price history is on Elite and Master

Live on eBay

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Other Magikarp & Wailord cards

Market trend

As of Nov 2, 2026 · TCGplayer (US)

7 days
−3.5%
30 days
+8.7%
vs set · 7D
+0.7%-4.2 pts vs set
Volatility (30D) Elite+
—
PrintingPrice1D7D30D
Holo$188.630.0%−3.5%+8.7%
Elite+
Volatility (30D)
See plans

Price history by source · Holo

  • TCGplayer
$170.00$180.00$190.00$200.00Oct 3Oct 18Nov 2
Show as table
DateValueSource
Nov 2, 2026$188.63TCGplayer
Nov 1, 2026$188.63TCGplayer
Oct 31, 2026$188.63TCGplayer
Oct 30, 2026$188.63TCGplayer
Oct 29, 2026$188.23TCGplayer
Oct 28, 2026$188.23TCGplayer
Oct 27, 2026$195.46TCGplayer
Oct 26, 2026$195.46TCGplayer
Oct 25, 2026$195.95TCGplayer
Oct 24, 2026$195.95TCGplayer
Oct 23, 2026$195.95TCGplayer
Oct 22, 2026$195.95TCGplayer
Oct 21, 2026$198.97TCGplayer
Oct 20, 2026$198.97TCGplayer
Oct 19, 2026$197.17TCGplayer
Oct 18, 2026$197.17TCGplayer
Oct 17, 2026$192.24TCGplayer
Oct 16, 2026$190.46TCGplayer
Oct 15, 2026$190.46TCGplayer
Oct 14, 2026$185.90TCGplayer
Oct 13, 2026$185.90TCGplayer
Oct 12, 2026$185.90TCGplayer
Oct 11, 2026$185.90TCGplayer
Oct 10, 2026$185.90TCGplayer
Oct 9, 2026$181.34TCGplayer
Oct 8, 2026$181.34TCGplayer
Oct 7, 2026$181.34TCGplayer
Oct 6, 2026$181.34TCGplayer
Oct 5, 2026$181.34TCGplayer
Oct 4, 2026$176.00TCGplayer
Oct 3, 2026$173.47TCGplayer
Quick facts

Questions & answers

How much is Magikarp & Wailord GX worth?
Magikarp & Wailord GX (SM166, SM Black Star Promos) is worth about $188.63: the TCGplayer market price of its Holo printing, updated November 2, 2026.
What printings of Magikarp & Wailord GX SM166 exist?
Magikarp & Wailord GX SM166 exists in 1 printing: Holo.
What set is Magikarp & Wailord GX from?
Magikarp & Wailord GX is card SM166 of SM Black Star Promos (Sun & Moon), released on February 3, 2017.
What rarity is Magikarp & Wailord GX SM166?
Magikarp & Wailord GX (SM166, SM Black Star Promos) is a Promo card.
Who illustrated Magikarp & Wailord GX SM166?
The artwork of Magikarp & Wailord GX (SM166, SM Black Star Promos) is by Mitsuhiro Arita.

Answers are generated from Tallgrass's own catalog and market data.