Hi there!   No discord that I know of, but I suggest watching eellie on their social media (toyhouse: eellie and twitter - eelliedesigns) as they often sell their newest designs on those platforms.   Or keep an eye on this page on TH to see when older eellie designs go up for resales or trades!

https://toyhou.se/~browse/search?owner=&designer_type=onsite&designer_onsite=eellie&designer_offsite=&tag_type=any&tags=&sale_usd=1&sale_points=1&trade=1&offer=1&game=1&free=1&cs=&price_min=&price_max=&sort=new