Last updated a month ago for 10.4 Patch
6 Shadow has become a late innovation to set 2. Master Yi has received many buffs over time, and players are taking full advantage of his late game carry potential. By building Kindred attack damage based, you can win streak mid game and transfer items to Master Yi in the late game.
If you find a solid start of shadow units, or you are able to get lots of gold from creeps to eco up a lot of gold by 32. After rolling down, you can stabilize with Kindred as your carry as you level to 8 to find the rest of your units.
In the early game, you can simply look for inferno units or just good units like Leona and Nasus.
By level 6, if you find Annie or Yorick, you can fit in 3 shadow, 3 inferno, and 3 summoners. The summoner buff isn't necessary, though, so you can just use any forntline or upgraded unit you have.