Yu-Gi-Oh! Summer Challenge 2009 promotional card

Introduction
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 Japanese
List
YSD4-JPP01 Gaia Knight, the Force of Earth 「大地の騎士ガイアナイト」 (Normal Parallel Rare)