Where it comes from
List of Pokémon Trading Card Game expansions - Bulbapedia (English sets) Bulbapedia (community wiki), via Internet Archive snapshot 2026-10-04 · 12 September 2026 Open the original ↗
The line in the source
Mega Evolution Main Series Expansion 132 56 Secret cards September 26, 2025 ; Mega Evolution—Phantasmal Flames Main Series Expansion 94 36 Secret cards November 14, 2025 ; Mega Evolution—Ascended Heroes Special Expansion 217 78 Secret cards January 30, 2026