Unfairly left out of the equation since the Hamilton debacle, the Leinster man has had a strong season and should benefit from Joe Schmidt's appointment.
Ireland tour with two out-and-out opensides and Chris Henry will face stiff competition from O'Donnell, who has earned his place with a series of superb displays for Munster.
The Trinity out-half has made just one appearance for Leinster as a replacement but finds himself picked ahead of Gareth Steenson and JJ Hanrahan for the Emerging Ireland trip to Georgia.
International Rugby Newsletter
The Leinster man has won 26 caps but finds himself in the relative international wilderness of Georgia as Ireland's fourth-choice hooker.
That infamous kick from Paul O'Connell may have cost Kearney his place on the plane to the States as the winger was showing good form beforehand and looked set to book his place. Instead, he has missed a month's rugby and finds himself off to the Tbilisi Cup.
The Munster scrum-half showed some fine form in the second half of the season, but Ulster's Michael Heaney gets the nod to go to Georgia ahead of the Sligo native.