Why isn't mega gyarados being discussed at all? I'm still quite the beginner and don't know that mucg but he seems really good to me. When he switches in with new intimidate, the enemy will get -2 attack, that with taunt makes it easy for mega to set up dragon dance. Dragon dance mega boosted gyarados is no joke dmg wise. the big boost too his defences makes him bulky enough to take a few hits. Mold breaker is kinda a step down, yet allows taunt on mega absol and espeon and negate water absorbers. His typing, I don't know. Looses SR weakness but can be hit by spikes and posion spikes. Gyarados didn't have a good flying move, but as far as i know, it has no good dark moves (yet) either.
Base 95/155/109/70/130/81
So yeah, to me he looks quite good on paper but why isn't he?