Golem ex is card #189 of 165 in 151 (2023), a Ultra Rare illustrated by PLANETA Igarashi. At about $6.08 it is the #36 most valuable card in the set. In a 151 booster it turns up about once every 192 packs. It is one of 26 Golem cards printed so far.
1999Fossil
2002Expedition Base Set
2006Legend Maker
2009Arceus
2014Flashfire
2017Crimson Invasion
2021Fusion Strike
2023151

















An ungraded Golem ex from 151 sells for about $6.08. A PSA 10 is worth more, roughly $21.28 by our estimate, and a PSA 9 around $12.16.
It is a Ultra Rare, and it shows up about once every 192 151 packs.
PLANETA Igarashi 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.