Id rather see*:
griezman
coutinho messi dembele
arthur FDJ
firpo lenglet pique semedo
would require both dembele and coutinho to up thier work rates for it to be viable with griezman and messi interchanging in the defensive/offensive phases.
Not too shabby and who knows, Couti might let his fangs out under Set. Grizz unfortunately still seems to lack killing intent and sharpness to be the tip of the spear. If must play couti as in the scenario you laid out, could experiment with this:
1st half
Ansu messi demb
art dej
Busi
Jr umti pique sem
2nd half
Ansu messi demb
couti grizz
dej
Jr umti pique sem
He did very well in that spot for the NT. That's also the best spot I can think of for grizz, where he can evolve in his comfort zone of defending and passing. He'll have plenty of options with next to him with sem coming up and upfront, buddybouz, leo and Ansu. Plenty of speed upfront and then, we could move up centrally like the other day + stretch the wings for easy crosses, cutbacks and dribbles into box if opponents park the bus in the centre. It's ballsy but would be cool to test it vs easy opponents.