Originally Posted by Mitsuzo-kun
Gliscor's not allowed as it would be battling as a Gligar, and Gligar was a non-evolving Pokemon in Generation II. It says in the rules.
Sorry MK, but for simplicity's sake (and my logic, thought it might be faulty) I'm gonna have to say they can't use it. You can change your Zam out for something else though, since you didn't know about this.
It might be beneficial to provide a list of Pokemon not allowed. :o