I honestly was able to **** all over a Teemo mid as Ryze.
I'd say the reason he is OP now is the hurricane item lets him apply the on hit poison to 3 targets at once. It just makes on hit teemo much stronger, so they nerf his poison a bit.
© 2014 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.