Gyarados is card #7 of 130 in Base Set 2 (2000), a Rare Holo illustrated by Mitsuhiro Arita. At about $57.44 it is the #6 most valuable card in the set. In a Base Set 2 booster it turns up about once every 59 packs. It is one of 57 Gyarados cards printed so far.
1999Base Set
2000Gym Challenge
2002Legendary Collection
2006Holon Phantoms
2009Platinum
2013Legendary Treasures
2017Crimson Invasion
2021Evolving Skies

















See the full Base Set 2 card list
An ungraded Gyarados from Base Set 2 sells for about $57.44. A PSA 10 is worth more, roughly $747 by our estimate, and a PSA 9 around $230.
It is a Rare Holo, and it shows up about once every 59 Base Set 2 packs.
Mitsuhiro Arita drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Base Set 2 booster packs in your browser with the set's real pull rates and keep what you pull in a digital binder. No real cards, nothing to buy.