Deck Building: The Deck Building Game combines the thrill of building your deck with the excitement of building your deck! It comes with 50 70mm square cards, 15 translucent plastic ?stain? tokens and a rules sheet. Deck Building is a 10-20 minute game for two players, and is also its own expansion! For each additional copy of Deck Building, you can add one or two players to the game for an ever-larger deckstravaganza!