There's nothing wrong with mana regen and CDR for an AD carry depending on which one it is-- you're not going to get good offense returns out of those slots anyway. It's not as if they don't have abilities too. Hell some of them are better served than AP carries with mana regen cause they're not normally going to get items that help with that and they might need some.
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No problem!
This is a cute and pop genocide of love!