Support
Lulu
the Fae Sorceress
Polymorph-and-ult enchanter who turns her hypercarry into a monster.
Should you main Lulu?
Lulu is a support champion rated easy to pick up, with damage: magic, range: long range, durability: bruiser, fight role: peel / react, power curve: scaling, damage pattern: sustained.
Lulu is a good first champion: the kit works without much practice, so you can focus on game sense.