Ah yes, the Moon School. The tag-along to a night out of the Astral Schools. Probably one of the least used but the most interesting (Arguably) of the three. They allow you to change things up via polymorph or gain an advantage via shift spells. However I noticed something. There is a Polymorph for each school except for Myth. Fire, Life, and Storm have two polymorphs, while Ice has three. (Not counting Shift Spells) Now I understand that these spells' utility can fall off at higher level, but for the sake of completion and something new to this school, I propose a Polymorph for the Myth school.
Polymorph Minotaur: 0 pips, 100% Accurate Polymorph into a Minotaur for 6 rounds.