Blais, 21, has dressed in 10 games for the Blues this season, posting one goal and two assists. The 6-foot-2, 205-pound forward has also appeared in 12 games for the Rampage, recording 14 points (six goals, eight assists).
The Montmagny, Quebec, native was originally drafted by the Blues in the sixth round, 176th overall, of the 2014 NHL Entry Draft.