I would say the only must haves are the ones that you truly enjoy. I started my collection with a Pastel YB male and started looking at a bunch of different morphs. When the idea to enter the breeding as a hobby I started doing my research, building contacts and picking everyone's brain. Some of the best advice I got was to try and focus on a handful not a bucketful of morphs. I focus on the YB (the one that got me started) Mojave, Orange Ghost, Pinstripe as the base of my projects. I have these as fun projects and I recently added some albinos and het albinos to the mix as a fund project.