Onix is card #51 of 103 in Delta Reign (2026), a Common. At about $0.25 it is the #116 most valuable card in the set. In a Delta Reign booster it turns up about once every 11 packs. It is one of 31 Onix cards printed so far.
1999Base Set
2002Legendary Collection
2004Team Rocket Returns
2008Stormfront
2013Plasma Freeze
2019Hidden Fates
2022Pokémon GO
2026Delta Reign

















See the full Delta Reign card list
An ungraded Onix from Delta Reign sells for about $0.25. A PSA 10 is worth more, roughly $0.88 by our estimate, and a PSA 9 around $0.50.
It is a Common, and it shows up about once every 11 Delta Reign packs.
Yes, as a digital simulator. Holobrook lets you open Delta Reign booster packs in your browser with our own early estimates of its pull rates (it is too new for real ones) and keep what you pull in a digital binder. No real cards, nothing to buy.