The Snake-Oil-Magician's Spellbook

Hello travelers, how fortuitous that you would stumble upon my humble shop. I have been waiting for a band of adventurers to come along worthy of such artifacts as those which I have now in my possession. You see, I have stumbled upon the arcane notes of a legendary wizard. They were in the process of developing completely new magic, never before seen in this realm. I have tirelessly studied their formulas, pored over their extensive research, and I have managed to create... this:

A collection of 10 hand-made spell scrolls to delight and piss off your players. The spells are "not very helpful" and "infuriating". The scrolls are "poorly spelled" and "deeply upsetting to look at".