What about Lazio? They are playing some brutal, tough men football from the 80s, but it works so far.
They have the most yellows in the league (66), second most red cards (5). They don't make a lot of fouls, but the ones they make are so hard that the refs don't have another choice but to card them. Our former boy Rovella is the record holder.
As a comparison, Lazio are carded for every 4.3 fouls, while their rivals for top 4 have this: Bologna 1 card for 9.8 fouls, Napoli 1 card for 8.8 fouls, Inter 1 card for 8.5 fouls, Juventus 1 card for 8.1 fouls, Atalanta 1 in 6.2, and so on.