Tentacruel

Undone Seal · No. 021/083

希少 JP ポケモン

Current value

$7.00

TCGplayer Near Mint

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 15, 2026, 7:35 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

$7.00 $0.00 (0.0%)

$6.60 $6.80 $7.00 $7.20 $7.40

Aug 16 Aug 21 Aug 26 Aug 30 Sep 4

First Edition · TCGplayer Near Mint · last 30 days, average price by day

Date	Average
Aug 16, 2026	$7.00
Aug 17, 2026	$7.00
Aug 18, 2026	$7.00
Aug 19, 2026	$7.00
Aug 20, 2026	$7.00
Aug 21, 2026	$7.00
Aug 22, 2026	$7.00
Aug 23, 2026	$7.00
Aug 24, 2026	$7.00
Aug 25, 2026	$7.00
Aug 26, 2026	$7.00
Aug 27, 2026	$7.00
Aug 28, 2026	$7.00
Aug 29, 2026	$7.00
Aug 30, 2026	$7.00
Aug 31, 2026	$7.00
Sep 1, 2026	$7.00
Sep 2, 2026	$7.00
Sep 3, 2026	$7.00
Sep 4, 2026	$7.00

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.