If you have those four in a deck, you'll probably get at least one of them. I think it's somewhere in the 98-99% range of drawing at least one of them.
Those cards you mentioned really are not OP on their own. If all cards would be allowed, Ongh would have to be backed up by Slyth cr to stand a chance against the other OP cards that would room about. Skeelz as a whole can't really do anything without Caelus Cr. Uppers are not perfect without Jackie Cr. Robb Cr needs support from Marina and Lamar Cr for All-stars to have a chance in this 'Elo FFA'. This kind of thing goes for most of the powerful clans: You need an extremely expensive card, which are collectors more often then not, to even have a decent fighting chance. And that's not even mentioning how expensive other staples could be, like Zatman, Gil and Ongh.
All fine and dandy if you're rich and/or a veteran, but most of us ain't that.
"But.. it's not like they will be picked every round, right?"
Yes, yes it is. Exactly like that
Well.. all of you might be right or wrong.. but we wont likely know.. so a week wont hurt right? after all elo this days are dominated by same clans... through i know this wont happen since many people will complain...
Would be a cool idea, if big5 were forbidden
otherways it would be almost impossible to get t100 without big 5