Answered June 3rd, 2019

The Blues evened the series as Brayden Schenn became the first player in team history with multiple games with a goal and an assist in the Stanley Cup Finals.

Which Blues player has the most career games with 1 goal and 1 assist in the Stanley Cup Finals?
Interpreted as:
Which Blues player has the most career games with 1 or more goal and 1 or more assist in the Stanley Cup Finals?