Your search for "Royal Magical Library SD6-EN010" revealed the following:
Royal Magical Library - SD6-EN010 - Common - Unlimited from Structure Deck: Spellcaster's Judgment Unlimited, available at 401 Games Canada. Rarity: Common Card Text:Each time you or your opponent activates 1 Spell Card, put 1 Spell Counter on this card...
Royal Magical Library - SDSC-EN013 - Common - 1st Edition from Structure Deck: Spellcaster's Command 1st Edition, available at 401 Games Canada. Rarity: Common Card Text:Each time you or your opponent activates 1 Spell Card, put 1 Spell Counter on...
Royal Magical Library - SD6-EN010 - Common - 1st Edition from Structure Deck: Spellcaster's Judgment 1st Edition, available at 401 Games Canada. Rarity: Common Card Text:Each time you or your opponent activates 1 Spell Card, put 1 Spell Counter on...
Royal Magical Library - SDSC-EN013 - Common - Unlimited from Structure Deck: Spellcaster's Command Unlimited, available at 401 Games Canada. Rarity: Common Card Text:Each time you or your opponent activates 1 Spell Card, put 1 Spell Counter on this card...