uh new super rare aura?

https://reddit.com/link/1s6pstd/video/zdf7grxo3yrg1/player

so my friend with 29K rolls just strolls into my server and claims about seeing a white egg with legs. picks it up and shows me what it looks like, it said something about being used to obtain Y.O.L.K.E.G.G. i tell him to use it and it equips yolkegg aura. 1,790,803,080, how rare is this?