> For the complete documentation index, see [llms.txt](https://rules.gatcg.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://rules.gatcg.com/game-mechanics/game-mechanics-game-zones/game-zones-material-deck.md).

# Game Zones - Material Deck

#### General Rules:

1. The Material Deck is a private zone owned by a player. Each player has their own Material Deck zone. 

{% hint style="info" %}
The Material Deck zone is referred to by the term “material deck.”
{% endhint %}

2. A player’s starting material deck starts the game in the Material Deck zone.
3. Cards in the material deck must be kept in a single, uniform pile.
4. The material deck must have at least one Level 0 champion card.
5. Constructed formats require that the material deck only contain unique copies of cards.
6. Players may look at their own material deck at any time.