Decidueye ex is card #12 of 88 in Perfect Order (2026), a Double Rare. In a Perfect Order booster it turns up about once every 48 packs. It is one of 21 Decidueye cards printed so far.
2017Sun & Moon
2019Cosmic Eclipse
2020Darkness Ablaze
2021Shining Fates Shiny Vault
2022Astral Radiance
2023Obsidian Flames
2024Shrouded Fable
2026Perfect Order

















See the full Perfect Order card list
It is a Double Rare, and it shows up about once every 48 Perfect Order packs.
Yes, as a digital simulator. Holobrook lets you open Perfect Order 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.