The Summer Challenge 2009 was held throughout Japan from August 9 . "Gaia Knight, the Force of Earth" was the promo card given to who collected 3 or more wins, while the participation promo was "Sonic Chick". Other cards were given at random as promos.

Set Specifications
  • Japanese Set Name: 遊戯王チャレンジ2009夏
  • OCG Set Prefix: YSD4-JPP
  • OCG Set Release: August–September, 2009

OCG Set Card Galleries


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