I've made this guide to transfer my Lulu "expirience/knowledge" on u. I hope this guide will help u.

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I am playing with mana regeneration runes, because they are really usefull if u play agressive support such as Lulu. U can replace 4x Seal of Mana Regeneration with full Seal of Armor, and u can replace 4x Glyph of Mana Regeneration with full Glyph of Magic Resist.
It really depends on your playstyle :).

I play with 0-13-17 masteries. I'm very agressive with Lulu thats why i have 1 point on Pickpocket . U can take 1-16-17 masteries and take that 1 point of Pickpocket and place that 1 point on Summoner's Wrath (gives u "armor/magic resist reduction" with Exhaust).

When supporting with Lulu u can use Exhaust, Clairvoyance or Heal. (i usually ask my AD carry what he wants).

U can always switch a few items writen on top such as Twin Shadows for Shurelya's Battlesong or Zeke's herald for Mikael's Blessing etc.

- If u are sure that u are able to survive for a long period of time buy Oracle's Elixir
- Dont "overbuy" items (if u have 2k gold on your first b dont buy Ruby Sightstone, buy just Sightstone, Philosopher's stone and one Vision Ward or something like that!)

This is warding for both team sides (RED/BLUE).
*IMPORTANT*- U wont be able to ward the whole map, so if u will have a good, friendly and "skilled" team ask them to help u ward (Jungler wards own/enemy jungle, Solotop wards top lane, AP carry wards middle river etc.).
*(WATCH IN FULL SIZE - OR SAVE THIS, BECAUSE U WILL NEED THIS TO KEEP IN MIND)*

When u start to understand Lulu u can do awesome combos on your enemys: Help, Pix! and then as soon as u hit your enemy with your Help, Pix! u can Glitterlance them leading to a slow and a lot of damage. etc.

When u are in teamfight u usually go like this Wild Growth --> Help, Pix! (on ally bruiser) --> Glitterlance (causing lots of slows on enemys)

Pros:

+Great lane sustain,
+as a support she has nice damage,
+she can save ally very easy,
+its yordle :P .


Cons:

-Easy to kill (early game),
-misclicking skill means death,
-low base movement speed.

Hope u find this guide usefull. Please leave me lots of feedbacks, because this is my first guide.

Ty for reading =)