I take it he's a popular character, and it doesn't hurt that he's plenty strong, too
Mist Valley Soldier Product Details Number : HAC1-EN058 Rarity : Common Attribute : WIND Monster Type : Winged Beast Card Type : Tuner/Effect Monster Attack : 1700 Defense : 300 Description : While you control this face-up card, any opponent's monster that battles this card, but is not destroyed by the battle, returns to its owner's hand at the end of the Damage Step.
This set is particularly notable for being the first to introduce a Triple Manga Rare structure, significantly increasing the "chase" factor for trainers looking for the ultimate prize
That could, of course, always change at a later date
There are 9 cards in all for the piece, and aligning them in a specific way results in the image you see above