Trying to go ham on the "Small game with many decisions" idea
After drafting, each player Creates a 30-card deck made of non-land cards.
On each of their turns, a player may play a land from their Command zone, which can only contain 4 lands; those lands being a combination of basics and lands that they've drfated.
Each card is supposed to cost up to 3 mana, creating a hyper-interactive and fast environment.
This is a 200 card cube, designed to be darfted by 4 players.