devtrackers.gg
Confirmed
*Tainted Chromatic
*Tainted Jewellers
*Tainted Fusing
*Tainted Exalted
*Tainted Blessing (Does this count as an orb?)
Potential
*Tainted Whetstone
*Tainted Armorer's Scrap
*Tainted Gemcutter's Prism
*Tainted Chisel
*Tainted Chaos
*Tainted Divine
*Tainted Orb of Annullment
*Tainted Mirror
*Tainted Blessed Orb (Thanks, u/TheAmigoBoyz!)
*Tainted Vaal Orb (Thanks, u/Keyenn!)
*Tainted Sacred Orb (Thanks, u/Sponxy!)
Some of these are right, some of these are wrong. Tainted Blessings aren't a currency item that drops from Scourge monsters in the same way as the others. However, there's at least two orbs you're unlikely to guess.
Am now convinced your boss has been replaced by some tainted Santa Claus, A.K.A, Chris Krangle
This comment ranks very highly among my personal favourites for this subreddit.