The rangy Scotland full-back put in a stellar showing during the Six Nations and is in the box-seat for a No 15 Test shirt
Wales head coach Warren Gatland has called up Ospreys prop Ben Warren into his Guinness Six Nations squad.
Scotland finished their autumn fixtures with a 27-13 win over Australia this weekend.
As expected, Gregor Townsend has made wholesale changes to the team that took to the field for last week's 59-21 win over Portugal.
Cardiff lock Teddy Williams has been called into Wales' squad to replace Ben Carter, who has been released after suffering a knee injury in training.
Investec Champions Cup finalists Toulouse have named the same starting team they fielded in their semi-final win over Harlequins in early May, but they have tweaked their bench for this Saturday's final with the inclusion of Joshua Brennan in place of Mathis Castro-Ferreira.
Their 29-31 Stadio Olimpico setback quashed that ambition and rather than go to Dublin with a title shot, they will contest the minor placing with an XV that has two backline alterations.
Gregor Townsend has made three changes to the XV that triumphed in the Calcutta Cup for their Guinness Six Nations round four clash with Italy on Saturday.
Kyle Rowe is set to earn his second Scotland cap on Saturday against Wales in the Guinness Six Nations, as he starts at fullback in place of the injured Blair Kinghorn.
Blair Kinghorn was at the heart of the action as Edinburgh moved up to second in the United Rugby Championship with a 24-10 victory against Benetton.