Seen here:
https://art.hearthstonejson.com/v1/render/latest/enUS/512x/KARA_13_20.png
And the token it comes with:
https://art.hearthstonejson.com/v1/render/latest/enUS/512x/TB_KaraPortals_003.png
Showed up in the Road to Northrend brawl. Think Party Portals predated Un’goro but since content from it is being reused, may want to update it.