Your search for "Beginning Knight DOCS-EN022" revealed the following:
Beginning Knight - DOCS-EN022 - Super Rare - 1st Edition from Dimension of Chaos 1st Edition, available at 401 Games Canada. Rarity: Super Rare Card Text:A "Black Luster Soldier" monster Ritual Summoned using this card gains these effects. You can...
Beginning Knight - DOCS-EN022 - Super Rare - Unlimited from Dimension of Chaos Unlimited, available at 401 Games Canada. Rarity: Super Rare Card Text:A "Black Luster Soldier" monster Ritual Summoned using this card gains these effects. You can only use...