Hidden Spellbook (Updated from: Hidden Book of Spell) →Used Deck

One of the earliest cards to return a specific card to his deck. Or rather, this card from season 3 is the founder. With this card, 《Pot of Avarice》and 《The Transmigration Prophecy》can exist. do not forget.
This card is also the first card, so even though it is a trap card, it has the disadvantage that it can only be activated during your turn. It's an adjustment that makes a weak card even weaker, which is typical of Konmai, who is really bad at balancing.
Therefore, it's unfortunate that it takes two turns (counting each other's turns) to set and activate. The more the environment changes, the more painful it becomes.
However, the effect itself is the most useful even in the early days of this kind of card. Even compared to Ray of Hope and The Graveyard in the Fourth Dimension before Pot of Avarice, it's great that he can put any spell card back into the deck with a wider range.
At the time of his appearance, there was almost no way to use his spell card in his GY or his spell card to activate his GY (Magician of Faith at most), so I returned the spell card to his deck. The benefits are incomparable.
When it first came out, it was a powerful enough card.
Basically, it can be said that the card has finished its role as soon as 《Pot of Avarice》appears, regardless of the type of card, but it has the feature that it can be searched with 《Spellbook of Secrets》.
That's why, although it is to the extent that it is said, the merit is the merit. It's fun to pin it in his Spellbook Deck as a secret ingredient. At that time, let's add 《Spellbook Organization (Updated from: Pigeonholing Books of Spell)》.

Comprehensive evaluation: 《The Transmigration Prophecy》is good.
It's slow because it can only be used during your own turn, and you can't return monsters.

Spellbook, but a terrible effect. Due to the trap card's peculiarity, it can only be activated during his turn, and just returns the spell card to his deck. If you put in a card like this, you're definitely going to have an accident.

Since "The Transmigration Prophecy" is unlimited, there is no need to say the second and subsequent cards.
Even though it is a trap, it has a mysterious disadvantage that it can only be activated during its own turn, so it loses to the selfless pot.

Only my turn...

Even though it is a trap card, it can only be activated on your own turn, but the existence of the higher compatibility prophecy of reincarnation is quite painful, and if it is only recovery, there is also a card called Unselfish Pot.
Since it's a Spellbook card, it can be searched, but it's more convenient to have the Spellbook in his GY, so I don't think it's likely to be used in magic.

《The Transmigration Prophecy》is fine

You can search with [Spellbook of Secrets]. However, returning GY's spell to the deck... [The Grand Spellbook Tower] is OK. One Chan, Enforcer Baan, it might not be possible to use it as a [Unselfish Jar] that can be searched with Grimo. [Toon Table of Contents] You can get it back! Well, it's late.

I came up with his deck called Ninja Spellbook.
Search for this card with another of her Spellbook search effects and discard it with Nouveau Money.
… No, yeah, well, it's a card of that level, right?

For the time being, you can search with "Grimoire's Grimoire", but I can't say that the compatibility of this card's effect with his Deck that uses "Grimoire" is by no means good. It's backward compatible with 《The Transmigration Prophecy》for normal use, and since it can only be used during your own turn, it's also beaten by "Unselfish Pot" in terms of speed, so I can't talk about it.

A Hidden Spellbook (Updated from: Hidden Book of Spell) card in many ways.
There's no point in returning a rare Spell card to your Deck if you can't draw it well.
I usually don't use it because it's backward compatible with the pot of first desirelessness and 《The Transmigration Prophecy》.

Spellbook part 2 that existed before it was categorized. In a sense, it is 《Hidden Spellbook (Updated from: Hidden Book of Spell)》.
It is backward compatible with 《The Transmigration Prophecy》and Unselfish Pot, except that 《Spellbook of Secrets》can be searched.
As a card that may change with the enhancement of his Spellbook in the future...
You don't have to remember.

…The overwhelming versatility of 《The Transmigration Prophecy》.
And if it's limited to your own turn, there's also the Normal Spell 《Pot of Benevolence》.

His Spell-exclusive The Transmigration Prophecy for his turn-exclusive.
However, spell cards only increase the number of cards in your deck if they do not come to your hand.
Spells should be used as basic disposables, so the value of this card is...
And the desireless urn that adds another blow...

Too poor a card to collect spells.
On the other hand, it's rare that you don't want your girlfriend's GY's girlfriend's spell card to be targeted even if you use it as a counter.

Backward compatible with 《The Transmigration Prophecy》.
Vase of Unwillingness also made an appearance, further deprioritizing it.