When playing healer in high rank games, try to hide behind cover immediately when Atlas ults, as smart players will banish the enemy healer, sometimes twice for 8s without healing your team!
Saati's reveals counter Sha and she also has the range to fight him if she gets the first shot. Having Seek (Increase the duration of Dead Ringer’s reveal on destruction by {0.5|0.5}s) on high levels hard counters him, especially Sand Trap.