Dermot Weld's Fascinating Rock aims to build on the good impression he has made already this season in the Derrinstown Stud Derby Trial at Leopardstown on Sunday.
The Fastnet Rock colt won a Leopardstown maiden in March before following up in the Ballysax Stakes in impressive fashion and he will aim to continue Weld's fine start to the season.
Aidan O'Brien holds his usual strong hand with Geoffrey Chaucer, who is also engaged in the French Guineas, Mekong River, who won four of his five starts last season, the once-raced pair of Blue Hussar and Red Rocks Point and Iniesta all possible.
Jim Bolger's Answered, now owned by Godolphin rather than Sheikh Mohammed, could take on Fascinating Rock again having chased him home in the Ballysax. Bolger could also run Mandatario.
The Ger Lyons-trained Obliterator, second to Godolphin's Derby hope True Story in the Feilden Stakes, is also in the mix.
John Oxx's Ebanoran, Johnny Murtagh's Altruistic and Paul Deegan's Aussie Valentine are among the 13, too.
Meanwhile, Stars So Bright – an ultra-impressive winner of her debut at Dundalk – is one of 11 entries in Sunday's Derrinstown Stud 1,000 Guineas Trial at Leopardstown.
Trained by Oxx, the daughter of Sea The Stars was unraced at two but looked right out of the top drawer when winning at Dundalk last month.
Back in third that day was Weld's Carla Bianca, who was three-quarters of a length behind Australia on her debut and fourth in the Group One Moyglare Stud Stakes on her only other start.
Oxx has also entered Harry's Princess, fourth in a similar race earlier in the season.
Weld has a couple of options in Balansiya, turned over at odds-on by Bracelet on her return to action earlier in the season, and Afternoon Sunlight.
O'Brien can choose from Marvellous and Palace, although the latter is also entered in the French 1,000 Guineas.
Pat Fahy's consistent Ballybacka Queen, Tommy Stack's Waltzing Matilda and David Wachman's Booker add further strength in depth.