If you control a Spellcaster-Type monster: You can banish up to 3 Spellbook Spell Cards from your Graveyard; apply this effect, depending on the number of Spell Cards banished for this card s activation. You can only activate 1 Spellbook of Fate per turn.
1: Return 1 Set Spell Trap Card on the field to the hand.
2: Change 1 monster on the field to face-down Defense Position or face-up Attack Position.
3: Banish 1 card your opponent controls.