D'Arcy Rae has also joined the Scotland A squad with Ollie Blyth Lafferty drafted into the Scotland U20s to face Italy U20 this weekend. James Whitcombe has been ruled out of the A squad through injury.
The A team, which will also include players from within the Scotland Men's squad, will be led by head coach Nigel Carolan, who is attack coach at Glasgow Warriors. He will be assisted by fellow Glasgow Warriors assistant coach Scott Forrest and Edinburgh Rugby assistant coach Stevie Lawrie.
The match squad for the A team game will be announced on Wednesday and the game will be streamed live on YouTube
Forwards
Cameron Henderson - Leicester Tigers
Alec Hepburn - Scarlets
Gregor Hiddleston - Glasgow Warriors
Will Hurd - Leicester Tigers
Euan Ferrie - Glasgow Warriors
Alexander Masibaka - Montpellier
Harri Morris - Edinburgh Rugby
Andy Onyeama-Christie - Saracens
D'Arcy Rae - Edinburgh Rugby
Seb Stephen - Glasgow Warriors
Backs
Ben Afshar - Glasgow Warriors
Dan Lancaster - Glasgow Warriors
Harry Paterson - Edinburgh Rugby
Cameron Redpath - Bath Rugby
Arron Reed - Sale Sharks
Gus Warr - Sale Sharks