Spellbook Library of the Heliosphere

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.