User blog comment:UsoppThePotato/Let Corki shine again!/@comment-7448107-20140214215635/@comment-4022742-20140217145950

If you do not really need the Magic Resist, you could opt for a instead. Still giving defensive health, but granting you the slows you might need. And if you aren't hung up on AD, getting a gives you a long range slow with AoE instead.