Masked Marvel will only run in the Qatar Bloodstock Jockey Club Stakes on Saturday if the Newmarket ground is suitable.
Last year's St Leger hero features in a field of eight for the Group Two, but trainer John Gosden has issue the going proviso.
Mikel Delzangles' Melbourne Cup winner Dunaden has also been declared and there is a second formidable French-trained contender in the shape of Andre Fabre's Meandre, winner of the Grand Prix de Paris last summer.
The Sir Michael Stoute-trained Fiorente, last seen finishing second in the Gordon Stakes at Glorious Goodwood, returns to the fray and a quality field is completed by Luca Cumani's progressive Quest For Peace, Roger Charlton's Al Kazeem, Godolphin's Sadeek's Song and David O'Meara's Blue Bajan.
