Even as AD Yi for laning you should start with a AP/MReg build. It not like you are going to be charging in and auto-attacking at level 2. You are going to be harassing with Alpha Strike.
© 2013 Riot Games, Inc. All rights reserved. Riot Games, League of Legends and PvP.net are trademarks, services marks, or registered trademarks of Riot Games, Inc.