Sandin, 19, a native of Uppsala, Sweden, was Toronto’s first-round selection in the 2018 NHL draft. He debuted with the club this season, posting two assists in six games, while also recording two goals and 12 points in 18 games with the AHL’s Toronto Marlies.
Last year, Sandin had four points in five games for Sweden at the WJC. Sweden won its pool, but was upset by Switzerland in the quarterfinals.
The 10-team WJC begins Thursday, Dec. 26 in Czech Republic.