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
EX Ruby & Sapphire Main Series Expansion 109 July 18, 2003 RS EX2 EX Sandstorm Main Series Expansion 100 September 18, 2003