User blog comment:Megames1/Against the Meta September Edition/@comment-5045559-20120927131703

also, MF and Ez are perfectly legit hybrids, and i suspect kog and trist might be too. My rule of thumb is to quicly get both flat penetration items (Brutalizer+Sorc boots) alongside hybrid pen runes, for a great early-midgame damage output on every spell and attack. For Ezreal specifically however, i like Ionians boots too much.