I have been watching video of Brayden Schenn, and think the best comparables are Joe Pavelski, and Olli Jokinen. Other sites' advanced stats don't pair these players together, but I doubt they have included much spatial analysis and team play.
I don't have time to elaborate beyond a quick synopsis: These three are net front present centers who are undersized compared to net crashers like Tkachuk, Lucic, Benn. These guys station themselves between the crease and faceoff circles looking for redirections, quick one time pass snap shots, and loose rebounds. The game has evolved from skillful play in the 80s-early 90s, to clutch-grab hockey in late 90s-2010s, into a state of scrumming for the puck and lots of garbage dirty muck grinding goals. Schenn excels in placing his stick in a position which both welcomes the puck and threatens the net.
When the Blues win puck battles in the offensive zone, the puck is often shuffled back to the defenseman at the point, or cycled again behind the net. This gives the Blues entertaining options in the offensive zone. We can all see 2016-17 Schwartz outskating reaching defenseman, outmuscling them for pucks, and cycling behind the net to Stastny, or chipping to Edmondson, with Tarasenko trying to find open ice on the far side. I expect we will see more forced passes to the front of the net and quick shots with Schenn as an option. It should be a fun season!