Itsagiantcauseway is a Grade 1 producer offered in foal to top sire Medaglia d'Oro. By Giant's Causeway, she is the dam of Pegasus World Cup Invitational S. (G1) winner Mucho Gusto. Out of the Seeking the Gold mare Countervail, her extended family includes the likes of Peaks and Valleys, Alternate, Higher Power and Alternation.