Alternatives to Radiance on Lone Druid?

Hey guys, new poster here. I watch a lot of pro dota, and I play a lot of lone druid. A couple of days ago during the Defense, I heard Tobi say something about how Mjolnir Lone Druid has been more and more prominent, and a (very) recent example of this was mouz.black^ in game 1 against ehome in the Beyond the Summit World Tour which ended just a couple of minutes ago. My question is, what are some viable alternatives to just rushing radiance on the bear for lone druid? Mjolnir seems like a great option because of the better buildup, the attack speed, and the farming capability from the passive. Thanks in advance.