The decision to replace Peter Barry's gelding was made after the horse sustained a minor injury competing at the Bromont CCI.
France’s Astier Nicolas takes the 4*-S with Babylon de Gamma and British Olympian Tom McEwen tops both the 4*-L and 3*-L divisions.
This victory marked the second time in a row Belgium has claimed the prestigious Nations Cup prize in Arville, edging Germany and Italy.
Strong performances by Colleen Loach saw her 2nd and 3rd in the CCI4*-S; Team Australia had only one rider complete.
A selection event, and the only North American Nations Cup stop for eventing, takes place August 19-20 in Quebec
A keen young team won one of the most hotly-contested legs of the series among 12 squads, while some used the event as a tune-up for Pratoni.
The Canadian rider took the CCI3*-S and placed 2nd in the 2*-L with Super Nova at the popular event in Kalispell, Montana.
The 4* event just a month before Pratoni will be used as a testing ground and selection trial by many international teams.
Nations have begun releasing long lists of potential eventing combinations from which teams of four plus one individual will be selected.
Competing in the newly-added Advanced division, Phoenix placed first with Mighty Mouse and third aboard Tugce.