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, 10:36 AM 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

$3.00 $0.00 (0.0%)

$2.80 $2.90 $3.00 $3.10 $3.20

May 2026 Jun 2026

Unlimited · TCGplayer Near Mint · last 180 days, average price by day

Date	Average
May 24, 2026	$3.00
May 25, 2026	$3.00
May 26, 2026	$3.00
May 27, 2026	$3.00
May 28, 2026	$3.00
May 29, 2026	$3.00
May 30, 2026	$3.00
May 31, 2026	$3.00
Jun 1, 2026	$3.00
Jun 2, 2026	$3.00
Jun 3, 2026	$3.00
Jun 4, 2026	$3.00
Jun 5, 2026	$3.00
Jun 6, 2026	$3.00
Jun 7, 2026	$3.00
Jun 8, 2026	$3.00
Jun 9, 2026	$3.00
Jun 10, 2026	$3.00
Jun 11, 2026	$3.00
Jun 12, 2026	$3.00
Jun 13, 2026	$3.00
Jun 14, 2026	$3.00
Jun 15, 2026	$3.00
Jun 16, 2026	$3.00
Jun 17, 2026	$3.00
Jun 18, 2026	$3.00
Jun 19, 2026	$3.00
Jun 20, 2026	$3.00
Jun 21, 2026	$3.00
Jun 22, 2026	$3.00
Jun 23, 2026	$3.00
Jun 24, 2026	$3.00
Jun 25, 2026	$3.00
Jun 26, 2026	$3.00
Jun 27, 2026	$3.00
Jun 28, 2026	$3.00
Jun 29, 2026	$3.00

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

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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.