Disciplined Magicians use the Exalted Sorcery mechanic.
In addition to buying Sphells, a Disciplined Magician is expected to be able to use Charms relevant to his Discipline: usually Craft for Elementalists, Larceny for Illusionists, and so on.  Many also learn the following Charm:

**Petty Wizard's Way**

(essence 2, occult 1), Supplemental, 2 motes per success

After making your (whatever) + Occult roll, you may use this 
Charm to buy extra successes, up to (Essence) + (Successes rolled).  This 
Charm can be used on any use of Occult that mortals can attempt: sensing 
magic, making talismans, reading omens, trying to contact spirits without 
Sorcery, and so forth.


Spells and inspiration for them should be taken from the Exalted Sorcery system &mdash; see the main book or the Book of Three Circles.  Remember to stay in-genre for your Discipline when picking spells and to check the <a href="http://www.evenmere.org/~bts/Shadowdawn/bo3cerr.pdf">Book of Three Circles Errata</a>.

We also have a bunch of spells at HouseRulesOnSpells.

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This is an official mechanic; please leave hacking on ExaltedHackingDisciplineMagic, though comments here are welcome.