Schmidt brings in the reinforcements
The three comes in for the injured trio of Mike McCarthy, Sean O'Brien and Dave Kearney.
Cian Healy and Mike Ross return to the squad after proving their fitness. Tadgh Furlong and Rob Herring are both suffering with thigh muscle injuries so will remain with their provinces to rehab.
Ireland squad:
Forwards: Finlay Bealham, Rory Best (captain), Sean Cronin, Ultan Dillane, David Foley, Cian Healy, Jamie Heaslip, Jack McGrath, Jordi Murphy, Tommy O'Donnell, Mike Ross, Rhys Ruddock, Donnacha Ryan, CJ Stander, Richardt Strauss, Devin Toner, Josh van der Flier, Nathan White.
Backs: Keith Earls, Craig Gilroy, Robbie Henshaw, Patrick Jackson, Rob Kearney, Ian Madigan, Kieran Marmion, Luke Marshall, Stuart McCloskey, Fergus McFadden, Conor Murray, Jared Payne, Eoin Reddan, Jonathan Sexton, Andrew Trimble, Simon Zebo.