QUICK START GUIDE
This is a quick start guide for people who want a quick overview on the rework Katarina and how to play her. This guide is not intended to be a comprehensive next level guide!!
Basically, In lane, you're level 2 all in is quite effective against most champions. Q a minion infornt of the enemy, E to the dagger, drop some autos then E out. Big Power spike at Level 3, All in combo is E>W>Q>Catch W> E to catch Q> E out and drop some Autos in between.