Rainbow Flash

Rainbow Flash is an legendary currently obtainable (per month) through being first place on the Amari-Bot-Leaderboard the MMP Discord, or being a Legendary Bug Reporter as of 12/3/18. The only other ways of obtaining this knife was through trading, or a giveaway hosted by Blizmid on 12/2/18. It was added as part of the Reborn Part 1 update, and it's only known owners are XoxlcyxoX and jonathansiedu21.