There's actually a distro called Sourcemage with commands like cast/dispel/summon and packages stored in grimoires. I ran it for awhile on my servers. The command structure is quite fun.
So, I have been doing a system with my pc where I have a case full of different nvme ssds with different OSes on them. I might have to do that on one of them.
Have you thought about just running KVM on a machine and building out virtual images there? Then you don't have to swap hardware and you can reach them from your desktop through VNC.
Sure, but I prefer running bare metal also I then can move it around between various computers. Each one is used a regular system, just different purposes. So, running in a virtual machine doesn't make much sense for me. I'll use nothing but openbsd for a week, then I'll swap over to arch to play some games, then I go into gentoo or something else for whatever other task I'm feeling.
It's all good it's definitely a good option, I've done it before. I also just get a level of amusement out of swapping sticks out. Gives me the same feeling as swapping out floppies for different software.