I built a 1000 card EDH Cube.
It contains 20, 50-Card EDH decks, each led by a Commander with Partner and all decks are built in a way to allow any random two of them to be combined to make a full, EDH legal deck to play.
The idea is to play it like the Jumpstart decks WotC came out with that the pandemic prevented me from fully enjoying.
Made-Up Laboratories 