Myconids are peaceful, and normally from the underdark. I think something that would help resolve confilict in a non-violent way, like something that could case hold person or something like that, would make sense. Or something that casts darkness, or just reduced light levels, might be something they like to have on hand.
[Help Wanted] Dragons of Stormwreck Isle - Seagrow Caves Magic Items?
Will be running my players through the Seagrow Caves from Dragons of Stormwreck Isle this weekend....