I don't have a commute today, or ever anymore, but Universal Cycles is running a sale on Schwalbe tires this week. Pretty good deals on Marathon Supremes in 27.5 and 29er, as well as Thunder Burts in 29er, which are XC racing semi-slicks that might be of interest for a MTB commuter
https://www.universalcycles.com/spec...chwalbe&order=