For those having trouble against vayne
Pick
support
You can easily make vayne's life a living Hell all laning phase with just autoing her applying your passive. Using thunderlords, e, auto, q will chunk her to half HP all early game without worrying about her dodging your skills with her tumble since pretty much your whole kit is point and click and auto a lot. Your e reveals her in stealth so even though pinks don't anymore, Lulu can so no more invisibility.
She may not be a top tier support but she is my pocket pick against Vayne and always has been.
I suggest either hybrid reds or attack speed reds if you know you can auto a lot. Ability power quints. Armor yellows. Choice blues but I suggest either magic resist blues or flat ability power if you want to go ham and are not afraid of the enemy support.
Signed, Diamond 5 trashcan support main.
Simplest answer out there. Point and click cc.
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He has a really high winrate now.
. AA-Q-AA wrecks her. Find the minion she wants to last hit, park close to it and hit her with your Q+AA when she comes close. Might not work above Silver though. :P