4E in 5E Combat! What?!
The 4E Video! Lots of stuff to steal for your 5E Game! Here are some resources. The Monster Manual: http://www.dmsguild.com/product/56693/Monster-Manual-4e T...
While 4e is oft-derided by some, here the mighty Dungeon Master and game designer, Matt Colville, demonstrates that there was quite a bit of smart design in that iteration of our beloved franchise. Some of those features can even be transplanted into your 5e campaign to mix up the gameplay. What do you think?