MojoMix is intended to make it simple to create groups of items that can be presented in random order. The basic operation involves creating a greoup with items, putting that group in a set, and then choosing a set for a Mix.
Step 1: Create a group
Step 2: Add items to the group
Repeat steps 1 and 2 for as many groups as you need ( classes, games, positions, etc. )
Step 3: Create a Set
Step 4: Add groups to the set
Step 5: Start you Mix
Mix has a number of options:
More help can be found at https://www.ludin.org/apps/MojoMix/index.html