[Endoperez]

Alexti - very nice! Also, following Gandalf's suggestion would work very well. Each mage would have one ring that provides a resistance, chosen from (Ring of Tamed Lightning, Ring of Fire Resistance, Ring of Cold Resistance, Snake Ring). That way, you can't eliminate ALL the mages with any one spell, but the spells will still be useful. Perhaps alternating between Amulets of Antimagic, Amulets of Missile Protection and Girdles of Might (for reinvigoration).

They could be given Drakes. Also, Living Statues.