Looking for auction plugin

Hello everyone,
I’m working on a new project which is a Pokémon fansite. I have a neat idea for a auction house (like in mmorpgs) for the website. Here people can offer their pokémon and say put info on what they want for it etc. I’m wondering if there is an excisting plugin that allows you to do this?

That would save me a lot of time so i don’t have to build one from scratch. 🙂

Ty.