Riot Spiffy - Many have been asking for a Yasuo build. Here is an interesting one that focuses on movement speed, great when comboed with items like Phantom Dancer and Black Cleaver.
New yasuo rune choice : r/YasuoMains
Yasuo Build: How to play Yasuo (Step by Step Guide) | lolvvv
Yasuo Build Guide : [13.13] Tempest's Challenger Yasuo Guide [In-Depth] :: League of Legends Strategy Builds