Magikarp & Wailord-GX SM166

Name: Magikarp & Wailord-GX SM166 SM Black Star Promos
Brand: Pokemon Trading Card Game
SKU: smp-SM166
Availability: InStock

Promo•Pokemon•Water•Pokemon SM Black Star Promos

$170.43

▲ 1.6% past 7 days

Updated September 7, 2026

Magikarp & Wailord-GX Pokemon card (SM166, SM Black Star Promos)

Magikarp & Wailord-GX is a Promo Pokemon card from the Pokemon Trading Card Game set SM Black Star Promos, illustrated by Mitsuhiro Arita.

Ungraded Price History

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Graded Magikarp & Wailord-GX for Sale

eBayBGS 9.5Magikarp & Wailord GX SM166 2019 SM Black Star Promo BGS 9.5$7,227Free shipping eBayPSA 92019 POKEMON SM BLACK STAR PROMO #SM166 MAGIKARP & WAILORD GX PSA 9$3,200+ $5.99 shipping eBayCGC 92019 Pokémon Magikarp & Wailord Gx #SM166 Black Star Promo CGC Mint 9$1,001Free shipping

Card Text and Stats

Water, Water, Water, Water, Water energy: Super Splash180

Water energy: 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.)

HP: 300
Type: Water
Stage: Basic, TAG TEAM, GX
Weakness: ×2
Retreat cost: 4
Card type: Pokemon
Illustrator: Mitsuhiro Arita
Card number: SM166

Magikarp & Wailord-GX Frequently Asked Questions

Yes. At $170.43 it is at the top of the 943 daily closes we have tracked since February 8, 2024. Its low over that run was $14.55 on February 8, 2024.

The cheapest CGC 9 listed is $1,001, which is 5.9x the raw market price of $170.43. That is from 1 listing, so treat it as one seller's ask rather than a market rate.

Graded copies on eBay are listed from $89.99 for a PSA 2 to $3,206 for a PSA 9, against $170.43 raw. Asking prices from 10 listings.

It bottomed at $14.55 on February 8, 2024 and is up 1071% from there to $170.43.

Yes. At $170.43 it costs 16x the set's median card price of $10.40.

Yes. The cheapest listing is $83.73 against a market price of $170.43, a gap of 2.0x. Market is what copies have been selling for; low is what the cheapest seller is asking now.