Thanks. I had a feeling it was something like that... it looks like Metagross is just generally safer. What other Pokemon does Magnezone work well with, and what kind of specific support does it need to succeed?
Also, I guess in regards to my worries, is it a really bad thing to primarily have more physical than special attackers? So far I've got one Special Attacker - I feel like I'm setting myself up for failure that way.