Rarity: Holo Rare
HP: 130
Stage: Stage 1
Type: Pokemon
Energy
Weakness: ×2
Retreat
Ability: Ancient Trait - Theta DoubleThis Pokemon may have up to 2 Pokemon Tool cards attached to it.
Attacks: Full Retaliation
30+
This attack does 30 more damage for each damage counter on each of your Benched Magikarp.
Thrash
100+
Flip a coin. If heads, this attack does 30 more damage. If tails, this Pokemon does 30 damage to itself.

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Gyarados #21

XY - Ancient Origins · Holo Rare

Gyarados #21 has a TCGplayer market price of $65.22 (Near Mint, Holofoil). Cardmarket lists it at €39.14 (Near Mint, Holofoil).

Market prices

Updated Oct 19, 2026

Near Mint$65.22

Lightly Played$37.28

Moderately Played$25.14

Heavily Played$18.49

Damaged$12.37

Updated Oct 19, 2026

Near Mint€39.14

Excellent€28.00

Good€27.00

Light Played€20.00

Played€15.00

Poor€15.99

These open on eBay through affiliate links. If you buy, we earn a commission.

Date	Price	Grader	Grade	Link
Oct 10, 2026	$187.00	TAG	8.5	View
Oct 10, 2026	$31.50	—	—	View
Oct 10, 2026	$380.85	TAG	9	View
Oct 10, 2026	$68.00	—	—	View
Oct 10, 2026	$899.00	CGC	10	View
Oct 10, 2026	$22.50	—	—	View
Oct 10, 2026	$202.50	PSA	8	View
Oct 10, 2026	$34.41	ACE	4	View
Oct 10, 2026	$179.99	—	—	View
Oct 9, 2026	$470.00	PSA	9	View
Oct 9, 2026	$34.99	—	—	View
Oct 9, 2026	$149.00	PSA	7	View
Oct 9, 2026	$110.00	CGC	8.5	View
Oct 9, 2026	$149.99	CGC	8.5	View
Oct 9, 2026	$250.00	—	—	View
Oct 9, 2026	$52.94	—	—	View
Oct 9, 2026	$207.00	BGS	8.5	View
Oct 9, 2026	$42.00	—	—	View
Oct 9, 2026	$120.00	—	—	View
Oct 9, 2026	$55.00	—	—	View

The top of XY - Ancient Origins by market price today.