Mistress Librarian of Prophecy

[Master Hyperion]

Finally I can post this, because the list is confirmed.

Mistress Librarian of Prophecy
WATER
Rank 4
[Spellcaster/Xyz/Effect]
2 Level 2 Spellcaster monsters
Each time a "Spellbook" Spell Card is activated, place 1 Spell Counter on this card. This card gains 100 DEF for each Spell Counter on this card. Once per turn, during your Main Phase 1: You can detach 2 Xyz Materials from this card; return 1 Spellcaster-Type monster from your hand to the Deck, then add 1 "Spellbook" Spell Card from your Deck to your hand. You cannot activate cards with the same name as that card until your next Draw Phase.
ATK/800 DEF/1000