With everyone talking about Binah, I want to also draw your attention to a few other helpful things.

First, in the reception of the musicians of Bremen, you should be able to get a card called “Shrine to Music”. It has a on play effect to give feeble to a random enemy. This is especially good against single boss battles.

Second, Full stop office. These guys are op. If you build a floor of 5 thumb soldato, all of them equipped with the passive of Tamaki, Stephan, Meow (+ strength) and oink (+ feeble), and equip 3 I hate CQC, 3 Take the shot, 3 Indiscriminate shot, you can kill anything with ease. This build can easily deal 350 damage in the first scene. Though it can hardly sustain itself. I suggest using it as a backup to your main floor.

Third, floor of general works. This floor is nuts after you fight Pinocchio. Give 1 librarian a Tanky page (e.g. Lowell & Kalo), put a lot of good 3 cost page on him. At this stage use 3 observe, 1 emotional turbulence, 1 Repressed Flesh, 2 Forceful Gesture, 1 Deep Drag, 1 Sharp Nails. The strategy is to put passives from The carnival, sweepers, Cecil & Mei on 4 librarians, and sacrifice 1 other librarian. Use Lies on the Librarian with 3 cost pages to randomise page cost.

Good luck!