Royal Magical Library is a Common Effect Monster card from Yu-Gi-Oh! (Spellcaster's Command Structure Deck, SDSC). Current market price: $0.30.
Common
Spellcaster's Command Structure Deck (SDSC)
Card Text
Each time a Spell Card is activated, place 1 Spell Counter on this card when that Spell resolves (max. 3). You can remove 3 Spell Counters from this card; draw 1 card.