I've been training wild wolves I'm not super into to level 10 to sell. Currently I have two available. Both of them are unbred and listed on the Flea Market for moonstones. I'll take pebbles at a ratio of 1 moonstone = 8k pebbles.
edit: ugh formatting is so fussy here. just.
https://www.lorwolf.com/Play/WolfDetails?id=20339
sage/blueberry/rosewood/grey/pecan 30 MS
horizon/vine/rust/shroud/swamp 40 MS