You said 'next year', and that is what is doubtful. Even a couple years is impossible if you only have the 'ingredients'. Let's say his snake is just a pastel desert clown. You have a pastel female and a desert female both BREEDER size, and a male clown. You could produce pastel het clowns and desert het clowns your first year, but your female won't be ready for two more seasons minimum, that puts you to 3 years if everything goes perfect. This is assuming it is just a pastel desert clown. If there is hypo or another recessive gene in there, then it really gets time consuming.
The only small breeders that could do it next year would be someone with a pastel clown or het and a desert het clown, both breeder size. There just are not that many desert het clowns out there. The only codom het clown that is fairly common and in the collection of many small breeders is the pastel het clown.