@KFC
I've actually gone on a lengthy tangent about Copy: Opp Ability before. To be short, it's hilariously ineffective and weak. It's also too unstable to be a bonus. I think Copy: Opp Bonus is completely viable, though.
@mah
I disagree. Almost all clans can be played effectively in mono or half.
Rescue being limited to mono is actually a weakness, not a strength, both for them and for other clans. You can't effectively combine any other clan (discounting certain Leaders) with
Rescue. It kills creativity and that's one of the reasons why some people hate
Rescue. A minor reason comparitively, but still.
I also find fault with your desire for more "unsafe pilling" clans. The overabundance of attack clans is due to their ease of use, not their lack of competition. Introducing a new edgy clan will not dissuade them. Though, I would place money on future clans not having attack bonuses.
I also couldn't help but think of
Freaks when I read your desired playstyle. Overpill on the first round, then play with what your left with. I don't think we need another clan like that at the moment.
Back to the cards:
My Tubba Wumba has nothing to help it win despite it's power and, unless it's bonus is active, even that's not safe (along with his damage). I honestly believe he's too weak to be worth 5*, but as his clan isn't real, it's impossible to say how effective he'd actually be.
Will O'Wisp is comprable to many solid 2*s. I don't see the problem with it.