From Bulbapedia, the community-driven Pokémon encyclopedia.
The 2012-13 Modified format of the Pokémon Trading Card Game (informally called BW-on and now referred to as Standard format) was a former Standard format used for Play! Pokémon organized play and in most sanctioned tournaments worldwide from September 2012 to August 2013. It was also used in the Pokémon Trading Card Game Online.
The 2012-13 Modified format was announced on June 15, 2012, rotating out all expansions from the HeartGold & SoulSilver Series and Call of Legends Series.
- North America and Europe: September 1, 2012 to August 27, 2013
- 2012 Battle Roads Autumn
- 2012-2013 City Championships
- 2012-2013 State/Province/Territory Championships
- 2012-2013 Regional Championships (U.S. & Canada)
- 2013 Battle Roads Spring
- 2013 National Championships
- 2013 World Championships