Half of these seem written by AI.
- You can take this feat to choose one spell from this list and cast it once per short rest. Or, you know, you can pick Wish. I'm sure that won't break your game.
- You can cast Hunter's Mark on a creature to remove its invisibility! ~~Too bad you must see the creature you cast Hunter's Mark on~~
- You are now a prodigious scribe, so you can cast Comprehend Languages and modify its effect to create a glyph on a creature (?) that slows down creatures who try to get near that first creature (???). Why isn't this a new spell in the first place? What does it have to do with Comprehending Languages or being a scribe?
- You can do the same thing with Shield too, for some reason. Wait for a creature to hit you, then you can slow it down, so that it's incentivized to... Keep hitting you? The thing that it was already doing in the first place?
- I'm having so much fun imagining the Cartographer hugging six creatures tightly while holding and using their Cartography Tools to create a map for each of them.
- The Cartographer can also pull a Voldemort: create a bunch of maps, hide them wherever they want, and never ever ever lose concentration again. Not sure if it's intended, but the entire document is so poorly worded that it may as well be...