This Dominaria set cube is designed to be played by two players and to fit sleeved into a single deck box for quick and transportable play.
The entire cube is used as a shared single library for the two players.
On a player's turn they may play one card face down as a land that taps for all five colours.
Players begin the game with a hand of seven cards and 20 life. Players have their own graveyard and exile piles.
Alternative draft system:
At the beginning of a player's turn, one card is added to each of three face down piles of cards. The player then looks at these
piles, chooses one pile, takes one card into their hand and places the remaining card from the pile face down next to the library
(if the library runs out of cards this pile is shuffled to form the new library).
If a card says 'draw a card' this is taken from the library, not from the draft piles.
Scrying is played as per usual from the shared library.