If all are healthy, I think I would try this:
Marchand - Bergeron - DeBrusk
Bertuzzi - Krejci - Pastrnak
Hall - Coyle - Zacha
Frederic - Nosek - Hathaway
Lauko - Foligno - Greer
I think conventional wisdom is put Bertuzzi on the 3rd line with Hall and Coyle but that's kind of loading up on guys who like to pass. I think Bertuzzi would be great with Pasta on the other wing. In 20 minutes together so far they have combined for a 16-7 scoring chance advantage. The Czech line's actual results are great, they are outscoring opponents 32-14, but the underlyings are still really bad, only a 46% xGF% and sub 50% in shots, scoring chances and high danger chances. Monty has shrugged and said you can live with it because they are so talented that if they trade chances with whoever is out against them odds are they'll finish more frequently. So far that is true but I'd rather avoid finding out if the regression is coming in the post season. Now is the time to tinker and find out if you can get an awesome line with awesome underlyings.
I think I'd leave Nosek in over Foligno. Nosek is 2nd on the team in PK TOI per game among forwards. That's a hard thing to replace, and Foligno does not kill penalties. If you take Nosek out you have to redistribute the PK TOI elsewhere and I don't think you want to over burden Marchand and Bergeron on the penalty kill in the post season thus reducing their impact at 5x5 or on the PP. Foligno was a mainstay as the net front guy for the 2nd PP but I'm not too worried about that. He's kind of displaced by Bertuzzi, and I don't think there's really a fit for him. Plus, the 2nd PP gets the scraps. Additionally, Nosek is 58% at the dot. He's their 2nd best faceoff guy behind Bergeron at 60%. That is valuable for specific situations, especially since he's a left and the other 3 retular centers are right handed.
PP1: McAvoy, Bergeron, Marchand, Pastrnak, DeBrusk
PP2: Lindholm/Orlov, Hall, Krejci, Bertuzzi, Coyle
I don't think he'll factor into the playoff lineup if they are healthy, but I would like to see Lauko get into as many of the last 11 ganes as possible. He does some really good things out there. He's drawing 3.12 penalties per 60 which leads the team by far, Marchand is 2nd at 2.34. His points per 60 are also up there with the top line. Obviously the sample size is very small but as we rotate guys in and out I think he should stay in the lineup as much as possible and see if there's a drop off or if he can continue on this pace.