You can reveal 1 Ritual Spell in your hand; Special Summon both this card from your hand and 1 "Impcantation" monster from your Deck, except "Impcantation Bookstone". If this card is Special Summoned from the Deck: You can target 1 Ritual Spell in your GY; add it to your hand. You can only use 1 "Impcantation Bookstone" effect per turn, and only once that turn. You cannot Special Summon monsters from the Extra Deck.
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