Tentacruel

Undone Seal · No. 021/083

希少 JP ポケモン

Current value

€4.64

Cardmarket average

Prices

Variant	TCGplayer	Cardmarket
First Edition	$7.00 Low $7.00 · High $7.00	€4.53
Unlimited	No price	€4.64

TCGplayer prices are Near Mint market averages, Cardmarket prices are 30-day averages in EUR. Refreshed every 15 minutes, as of Sep 16, 2026, 7:07 PM UTC.

Details

Attacks

ColorlessLong Tentacle

Flip a coin. If heads, the Defending Pokémon is now Confused. If tails, discard an Energy card attached to the Defending Pokémon.

ColorlessColorlessToxic

The Defending Pokémon is now Poisoned. Put 2 damage counters instead of 1 on the Defending Pokémon between turns.

Weakness

Lightning×2

Rarity

希少

Artist

Hisao Nakamura

HP

70

Number

021/083

Expansion

Undone Seal

Series

ADV

Types

Water

Subtypes

Stage 1

Price history

TCGplayer Cardmarket

$5.35 +$0.12 (+2.3%)

$5.20 $5.40 $5.60 $5.80 $6.00

Jul 3 Jul 18 Aug 6 Aug 30 Sep 16

Unlimited · Cardmarket average · last 90 days, average price by day

Date	Average
Jul 3, 2026	$5.23
Jul 4, 2026	$5.79
Jul 5, 2026	$5.79
Jul 6, 2026	$5.79
Jul 7, 2026	$5.79
Jul 8, 2026	$5.79
Jul 10, 2026	$5.79
Jul 11, 2026	$5.79
Jul 12, 2026	$5.79
Jul 13, 2026	$5.79
Jul 14, 2026	$5.79
Jul 15, 2026	$5.79
Jul 16, 2026	$5.79
Jul 17, 2026	$5.79
Jul 18, 2026	$5.79
Jul 19, 2026	$5.79
Jul 20, 2026	$5.79
Jul 21, 2026	$5.93
Jul 22, 2026	$5.93
Jul 23, 2026	$5.93
Jul 24, 2026	$5.93
Jul 27, 2026	$5.93
Jul 28, 2026	$5.93
Jul 29, 2026	$5.93
Jul 31, 2026	$5.93
Aug 1, 2026	$5.93
Aug 2, 2026	$5.93
Aug 3, 2026	$5.93
Aug 5, 2026	$5.93
Aug 6, 2026	$5.93
Aug 7, 2026	$5.93
Aug 8, 2026	$5.93
Aug 9, 2026	$5.93
Aug 11, 2026	$5.93
Aug 12, 2026	$5.93
Aug 14, 2026	$5.93
Aug 16, 2026	$5.93
Aug 17, 2026	$5.93
Aug 23, 2026	$5.93
Aug 25, 2026	$5.93
Aug 26, 2026	$5.93
Aug 28, 2026	$5.93
Aug 29, 2026	$5.93
Aug 30, 2026	$5.93
Aug 31, 2026	$5.93
Sep 2, 2026	$5.93
Sep 4, 2026	$5.93
Sep 5, 2026	$5.93
Sep 6, 2026	$5.57
Sep 7, 2026	$5.57
Sep 8, 2026	$5.57
Sep 9, 2026	$5.57
Sep 10, 2026	$5.57
Sep 11, 2026	$5.35
Sep 12, 2026	$5.35
Sep 13, 2026	$5.35
Sep 15, 2026	$5.35
Sep 16, 2026	$5.35

7D 1M 3M 6M 1Y

First Edition Unlimited

Where to buy

TCGplayer Search Tentacruel on TCGplayer Cardmarket Search Tentacruel on Cardmarket eBay Search Tentacruel on eBay

More from Undone Seal

View all 83 cards

Ninetales ex

$75.00

Sunny Castform

$7.49

Tentacool

$1.99

Staryu

$12.00

Corsola

$5.50

Feebas

$0.50

Tentacruel is card 021/083 of Undone Seal, a ADV series Japanese Pokémon TCG expansion. Prices and price history here come from TCGplayer and Cardmarket and refresh every 15 minutes, and you can scan and track your Undone Seal cards in the Arca TCG app.