Is Book Keyboard Case for drawing any good? Tab S8

Right now im using my tab s8 without any cover whatsoever, so I've been thinking about getting one. I can buy a Tab S7 Book Keyboard Cover with trackpad for around 50 euros and a Book Cover Case for 20.

I'll be using to take notes with my S-pen in uni and also for drawing. But sometimes I dont want to bring my laptop with me so I want to replace it with the Tab for doing excels and stuff.

My question is, Is the keyboard case good for drawing? The S-Pen cover seem to be in the way if I want to use the tablet directly on the table. I fear it will start to wiggle. Is it better to buy the normal Book Cover instead. I also want to use it with a keyboard so I dont know which one to get.

Thanks