Diakali begins his second season over timber in the Fishery Lane Hurdle at Naas.
Willie Mullins' grey was one of the leading juveniles last term, scoring twice at the highest level, most recently at Auteuil in June.
As a result, he must concede weight to his three rivals in this Grade Three contest, with the opposition headed by Wednesday's Fairyhouse scorer Mr Fiftyone.
Dalasiri was a long way behind Diakali on more than one occasion last season and, along with Cork winner Art Of Payroll, completes the line-up.
Diakali's stablemate Rupert Lamb returns to action in the opening Monread Rated Chase at 12.15.
The seven-year-old has got better with experience over the larger obstacles, accounting for the reopposing Dylan Ross at Navan when last sighted, and has most to fear from Irish National third and fourth Home Farm and Sweeney Tunes, with the latter having a fitness edge thanks to a recent placed effort at Wexford.
Mullins may be set for a big afternoon, and the champion trainer gives Turnandgo his jumping debut in the www.naasracecourse.com Maiden Hurdle.
The winning pointer beat Monday's Kempton victor Captain Cutter with ease at the Punchestown Festival and is an exciting prospect.
Mullins' Clonard Lad has hit the crossbar twice since returning from a lengthy absence and tries again in the Book Hospitality On Line Maiden Hurdle, while the yard is represented by Shaneshill in the Go Racing In Kildare Membership 2014 (Pro/Am) INH Flat Race.
Road To Riches, You Must Know Me and Foxrock are the headlines acts in a potentially informative Naas Annual Membership Beginners Chase, in which Golanbrook adds further spice after finding Defy Logic far too strong here.
Mrs Mac Veale has justified favouritism at Limerick and Punchestown and will have her supporters again as she goes for the hat-trick in the Event Hire At Naas Racecourse Mares Handicap Hurdle.