Those on the lists had their lives and property forfeit; rewards were given to those who assassinated the victims. Several henchmen, as well prominent politicians who supported Sulla, massively profited from the proscription, collecting bounties and receiving seized properties at concessionary prices.
https://en.wikipedia.org/wiki/Sulla's_proscription
and
https://www.kenklippenstein.com/p/leak-fbi-list-of-extremists-is-coming