Contraption Deck: 1 of each Contraption. Cubelet is a casual format for 2-4 players. Players share a 100 card library, graveyard, and exile. Players start with 7 card hands and during their turn, they may play one card face down. It becomes a land that produces any color of mana. Starting life totals are 20 for a regular game, 10 for an expedited game.