So what's the worst Mega in terms of usefulness (NOT DESIGN) we have seen so far? I was looking through them all and their effects and most are pretty good. Stat boosts in some of their strongest and most need areas with pretty good abilities. Mawile looks interesting in particular steel/fairy stronger stats on defense and more attack power.

Then I came across this guy. At first I saw that it got a dragon typing eh that's pretty cool I guess but there are much better dragons out there at the moment with far superior stats plus dragon got another weakness to fairy. Then I saw it gets literally no stat boosts, a crappy ability that it really has no use for and that is it. Wow award for worst mega definitely goes to Ampharos for now. I guess mewtwo comes close but it is already powerful so it really does not matter.