I pick her everytime i can get her.
Just play for her Ult.
2 days ago i only had a 1 star Lulu between my 2 and 3 star champs. But it doesnt matter. With that items on her she carried me to the first place.
Also good: Pyke with the same combination.
in TFT is CC >> rest!
Thats why Glacial comps are so strong too.
edit: rofl. Yeah vote me down... for what?