In my opinion, the first page you listed is the most versatile.
It is exactly what I have: APen reds, Flat Armor yellows, Flat MR blues and Flat Health Quints.
They can be used on any tanks, any jungler, any hybrid or any non-ap carry that needs a bit more survivability.
Having 65 MR lvl 1 as Ezreal while laning with Soraka is pretty nice...
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