Yamato Alternate Fire becomes able to Critically Hit enemies whenever you own Ricochet.

[Acurrz]

How To Replicate:
Select Yamato
Purchase Ricochet
Place 2 Enemies (Does not need to be Kelvin.)
Use Alternate Fire while aiming at head

Video Linked:

Valve CEO Linked:
https://en.wikipedia.org/wiki/Gabe_Newell