Kai'Sa Reroll with Portal Multi-Talented

It is very important in the power spike of this composition to have a Portal (Multi-Talentet) then we can omit the Big Shot unit which is simply usless. We start by beating the Early Game, preferably thanks to the Superfan trait and Corki as Headliner. When entering level 6, we start rolling deeper to get Headliner Kai'Sa, once we find her, we go back to 50 economy to slow roll for her in threes. Then we only have level 8 and we want to play our Second Carry Akali or Ahri. Here I recommend Akali as Bruiser. The final phase is level 9/10 and a legendary character