A Pauper Cube designed for 2 or 4 players with a high power ceiling, to be played without sleeves!
My original writeup on the Cube:
https://articles.starcitygames.com/magic-the-gathering/cube-for-cheap-introducing-the-pauper-twobert/

Another relevant article on rebalancing the Cube and giving each other more focus:
https://articles.starcitygames.com/magic-the-gathering/commander-masters-downshifts-and-how-theyll-help-your-pauper-cube/