Spellbook of Life [REDU-EN059] Super Rare Hidden Arsenal 3 Once per turn: You can

Once per turn: You can target 1 Set card your opponent controls

it becomes a Cyberse monster until the end of this turn

When this card is sent from the field to the Graveyard: You can place 1 "Crystal Beast" monster from your Deck face-up in your Spell & Trap Card Zone as a Continuous Spell Card

whose total Levels equal the Level of the Ritual Monster you Ritual Summon

Spellbook of Life [REDU-EN059] Super Rare Hidden Arsenal 3 Once per turn: You canSet: Return of the Duelist Card type: Equip Spell Rarity: Super Rare Banish 1 Spellcaster Type monster from your Graveyard and reveal 1 other "Spellbook" Spell Card in your hand to target 1 Spellcaster Type monster in your Graveyard; Special Summon that target in face up Attack Position and equip it with this card. The equipped monster's Level is increased by the Level of the monster that was banished for this card's activation. You can only activate