Heat Rotom ex is card #23 of 103 in Delta Reign (2026), a Double Rare. At about $0.83 it is the #51 most valuable card in the set. In a Delta Reign booster it turns up about once every 60 packs. It is one of 53 Rotom cards printed so far.
2008Great Encounters
2010HS—Undaunted
2015Ancient Origins
2017SM Black Star Promos
2019Cosmic Eclipse
2022Lost Origin
2024Surging Sparks
2026Delta Reign

















See the full Delta Reign card list
An ungraded Heat Rotom ex from Delta Reign sells for about $0.83. A PSA 10 is worth more, roughly $2.90 by our estimate, and a PSA 9 around $1.66.
It is a Double Rare, and it shows up about once every 60 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.