Some new item ideas

Attack Speed Reduction runes:

Since this is the time of overly powered assassins, ADCs, and stupidly buffed AD items, these runes can help the defense of mages and others alike. It can be a seal or glypth (-1.05 or whatever amount) or quint (-4.05) or whatever.

Attack Speed Reduction boots: If the runes aren't a good option, why not boots? There are tenacity, magic pen, swiftness, attack speed increase, and other boots, so why not reduction? This would be a great pick against AD heavy teams.

AD/Armor Pen boots: Since mages get Sorc Shoes, why not AD get pen boots too? Just a suggestion, but if that would make them too over the top then just scratch the idea.