Spellbook of the Grand Circle

“Add 4 "Charmer" monsters with different Attributes from your Deck, GY, and/or banishment to your hand, then shuffle 2 cards from your hand into the Deck. You can banish this card from your GY; Fusion Summon 1 Fusion Monster from your Extra Deck, using "Charmer" or "Familiar-Possessed" monsters from your hand or field, also your opponent cannot activate cards or effects when a monster is Fusion Summoned this way. You can only use each effect of "Spellbook of the Grand Circle" once per turn.”