Arbok ex is card #24 of 165 in 151 (2023), a Double Rare illustrated by Eske Yoshinob. At about $1.58 it is the #63 most valuable card in the set. In a 151 booster it turns up about once every 65 packs. It is one of 20 Arbok cards printed so far.
1999Fossil
2002Expedition Base Set
2004Team Rocket Returns
2008Great Encounters
2014XY
2019Hidden Fates
2023151
2025Destined Rivals

















An ungraded Arbok ex from 151 sells for about $1.58. A PSA 10 is worth more, roughly $5.53 by our estimate, and a PSA 9 around $3.16.
It is a Double Rare, and it shows up about once every 65 151 packs.
Eske Yoshinob drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open 151 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.