Your search for "Jade Knight CSOC-EN037" revealed the following:
Jade Knight - CSOC-EN037 - Common - Unlimited from Crossroads of Chaos Unlimited, available at 401 Games Canada. Rarity: Common Card Text:Face-up Machine-Type monsters you control with 1200 or less ATK cannot be destroyed by the effects of Trap Cards....
Jade Knight - SDCR-EN014 - Common - 1st Edition from Structure Deck: Cyber Dragon Revolution 1st Edition, available at 401 Games Canada. Rarity: Common Card Text:Face-up Machine-Type monsters you control with 1200 or less ATK cannot be destroyed by the...
Jade Knight - SDCR-EN014 - Common - Unlimited from Structure Deck: Cyber Dragon Revolution Unlimited, available at 401 Games Canada. Rarity: Common Card Text:Face-up Machine-Type monsters you control with 1200 or less ATK cannot be destroyed by the effects of...
Jade Knight - CSOC-EN037 - Common - 1st Edition from Crossroads of Chaos 1st Edition, available at 401 Games Canada. Rarity: Common Card Text:Face-up Machine-Type monsters you control with 1200 or less ATK cannot be destroyed by the effects of...