Your search for "Attachment Cybern SDCS-EN001" revealed the following:
Attachment Cybern - SDCS-EN001 - Common - 1st Edition from Structure Deck: Cyber Strike 1st Edition, available at 401 Games Canada. Rarity: Common Card Text:You can target 1 Dragon or Machine "Cyber" monster you control; equip this card from your...
Attachment Cybern - SDCS-EN001 - Common - Unlimited from Structure Deck: Cyber Strike Unlimited, available at 401 Games Canada. Rarity: Common Card Text:You can target 1 Dragon or Machine "Cyber" monster you control; equip this card from your hand or...