Welcome to Smogon! Take a moment to read the Introduction to Smogon for a run-down on everything Smogon, and make sure you take some time to read the global rules.
Hey. I rarely post but I love this team. I actually designed a very similar one that I've been waiting to test until MegaMence is gone. You have some major problems as you noted with Landorus and Glalie, who absolutely wreck this entire team. I recommend replacing Jirachi with SpDef Bronzong...
Hey. I rarely post here, but I absolutely love full VoltTurn teams and this is among the best I've seen. I used a similar one a while back. They're a ton of fun to use and can be very effective in the right hands. I agree with Rafael's suggestions. Rotom simply makes a better physical wall than...