The ante-post favourite
will face a maximum of 14 opponents in Saturday's Epsom Derby.
Among them could be German contender Chopin who has been added to the race by trainer Andreas Wohler for £75,000.
If he runs, he will be the first German-trained runner in the prestigious Classic.
[In Germany] horse racing rates as something of an 'also-ran'...
Things could all be about to change as Germany is represented in the Investec Derby by the Andreas Woehler-trained Chopin
Aidan O'Brien has six entries, including
Magician, who won Saturday's Irish 2,000 Guineas
and the Derrinstown Trial winner Battle of Marengo.
O'Brien's other entries are Mars, who was sixth in the 2,000 Guineas, the unbeaten
Chester Vase winner
Ruler Of The World, Flying The Flag and Festive Cheer.
Andrew Oliver's First Cornerstone, who was fifth in the Irish Guineas on his seasonal reappearance, is another possible for Ireland along with David Wachman's Galileo Rock while Jim Bolger has left Trading Leather in the race as a precaution should anything happen to Dawn Approach.
Andre Fabre, who trained the 2011 winner Pour Moi, will be hoping Ocovango can give him another win in the race while
Dante Stakes winner Libertarian,
trained by Elaine Burke, James Tate's Mirsaale and the John Ryan-trained Ocean Applause complete the confirmations.