As Zero said, she's a nice anti-rush unit. Her SAW is really what shines though. Magic damage, attacks 3 targets at once and monstrous stats. The self paralysis is actually a great thing because it protects her while in non-skill state (remember, most enemies ignore paralyzed units). If you combine her with an AW'd Rearguard her skill will just about be up again when her paralysis ends so she'll be in a constant state of paralysed -> super powered -> paralysed -> super powered.
As said though, she sadly only really shines when we get SAW, all foxes turn into monsters with SAW.