Not really since there aren't any support cards, and their bonus only activates once...
They used to be viable. Now with the bans I'm not so sure
DR's are important I guess... But without Olga you can't just cheese your way through any opponent in first round to ensure you get the poison
Unless it's not for ELO then yeah, they can own
It's only recommended if you want some challange.
Freaks is one of the worst clan to play in mono in any format.