Spellbook of Secrets - REDU-EN057 - Ultra Rare - Unlimited Edition Tweet Out of stock. Wishlist View this product on the Buylist Details Passcode: 89739383 Set: Return of the Duelist Card Number: REDU-EN057 Rarity: Ultra Rare Attribute: Spell Card Text: Add 1 "Spellbook" card from your Deck to your hand, except "Spellbook of Secrets". You can only activate 1 "Spellbook of Secrets" per turn. Card Type: Normal Spell Name: Spellbook of Secrets Edition: Unlimited