[Phoebus]

Originally posted by Jasper:
The only rainbow mage I'd really consider would be the Druid -- because it has stealth.

You should give the Ghost King a try. It's slightly more expensive (105 more than druid for starting the 8 paths, but it starts with 3 dominion), but has much higher survivability than other rainbow mages. (35hp, stealth, ethereal, cold/poison immunity and automatically summons it's own stealthy bodyguards)