As for some helpful advice on the matter: Spellbook Star Hall -3 Grandspell book Tower -2 Royal Magical Library + 1 Magical Citadel + 3[With Library Maxxed out, and a constant usage of spells, it can fuel Library for a long time if drawn early game.] Terraforming + 2 [Searching, and can add fuel to the fire] Hand Destruction + 2/3 [To get rid of those extra's, like Citadel or Terraforming.] If i gave anymore suggestions, i'm sure it wouldn't even turn into a spellbook Exo Deck anymore in your eyes, so i'll leave with those
You can only use 1 "Tearlaments Grief" effect per turn, and only once that turn.
To take this list further you gotta start cutting the Go Wide / Go Tall stuff like Kessig Cagebreakers and instead focus on tutors to speed up your combo (Demonic Tutor) and ways to protect your combo (Dosan, the Falling Leaf)
HANDISNOTFULL Created By: DIASILEDU HANDISNOTFULL gives players full control over the number of cards they can hold in their hands
So, rather than spending the next couple of paragraphs trying to justify my rankings, let's do something a bit more fun and talk about my favorite non-legendary new card from each deck
If this card is sent to the GY as material for the Link Summon of a WATER monster: You can send cards from the top of your Deck to the GY, equal to the number of "Marincess" monsters you control, then, if a "Marincess" card(s) was sent to the GY by this effect, inflict 200 damage to your opponent for each "Marincess" card sent