I'm not aware of any current production rifle in 357 Max . For your purpose the 350 Legend will be much cheaper as factory fodder is readily available & if you can get it to shoot cast bullets ( especially if you roll yer own ) be cheaper to load for .
I'm the opposite as my Max is for hunting not plinking . It is a handloaders cartridge much like another of my addictions the 41 mag . I get the performance I want in platforms I like with the accuracy & power I need . I wish you luck with your endeavour & would be interested to see results , loads etc.