Well, one thing I can see with this team is that the majority of it is offense. You might want to put a solid defensive Pokemon in order to balance your team out. That Togekiss might present a good defensive strategy. It has tremendous bulk with its bases at 115 Special Defense, 95 Defense, and 120 Special attack, and a decent Speed stat. I suppose it can double as a Special Tank in this case, capable of taking some good hits. You can either invest on its Special Defense or Defense. In any case:
Togekiss
Ability: Serene Grace
EV's: 248 HP/248 Defense or 248 Special Defense/44 Speed
Nature: Bold for Defense, Calm for Special Defense
Item: Leftovers
-Air Slash
-Roost
-Heal Bell/Thunder Wave
-Nasty Plot
With EV's invested in either Special Defense or Defense, Togekiss can take a lot of hits, but still has a number of weaknesses you have to watch out for, which are Steel, Poison, Electric, Ice, and Rock. It also is immune to Ground- and Dragon-types, and resists Fighting, Dark, Bug, and Grass. Togekiss has natural bulk in Special Defense, and its Defense stat is also good. Air Slash has a high critical-hit rate, which makes it a good STAB move suited for Togekiss. Roost will let you heal up Togekiss and causes it to lose its Flying-type affiliation for the turn to avoid a heavy hitting Rock-, Ice, and Electric-type move that you anticipate. Heal Bell lifts status problems, while Thunder Wave causes Paralysis. Nasty Plot is a way to sharply raise Togekiss' already high Special Attack. If you want to use a more offensive set, you should replace Heal Bell/Thunder Wave with an offensive move that inflicts status problems, since Serene Grace raises the chances of a secondary effect activating.
-- The Zygardian Harbinger
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