If you have 5 or more Spellbook Spell Cards in your Graveyard: Excavate the top 2 cards of your Deck, add any excavated Spellbook Spell Cards to your hand, also shuffle the other cards into the Deck. You can only activate 1 Spellbook Library of the Heliosphere per turn. You cannot activate any Spell Cards the turn you activate this card, except Spellbook Spell Cards.