Set Context: Mysterious Treasures
Release year for Mysterious Treasures is 2007. Mysterious Treasures is grouped under the Diamond & Pearl era.
The checklist contains 124 cards, placing it in a mid-size expansion range. As of 2026, the set is 19 years old and fits a legacy-era profile.
In the Mysterious Treasures checklist, Azelf occupies position #4 as a Rare Holo card.







