What is the Rule 13 in EDH?
EDH (Elder Dragon Highlander) is a popular casual format in Magic: The Gathering where players build their own unique decks around a commander. The format allows for creative freedom and limitless possibilities, but it also introduces complex rules and nuances. One of the most important rules in EDH is Rule 13, which addresses abilities that refer to external cards.
Direct Answer:
Rule 13 in EDH states that abilities that refer to other cards owned outside the game do not function without prior agreement on their scope from the playgroup. This means that certain abilities that rely on information from outside the game cannot be used without prior approval from all players at the table.
Explanation and Clarification:
- Rule 13 aims to prevent abuse and complexity issues in EDH by addressing abilities that can easily spiral out of control. By requiring prior agreement from all players, the format encourages transparency and cooperation among participants.
- Abilities affected by Rule 13 include Wishes, Spawnsire, Research, and Ring of Ma’ruf, which are commonly used in EDH decks.
Significance and Examples:
- Wishes allow players to choose specific cards from their collection. Without Rule 13, a player could simply Wish for a game- winning card, circumventing the game’s internal logic. By requiring agreement on scope, players can determine which cards are accessible.
- Spawnsire allows players to exile cards from their opponents’ graveyards. Without Rule 13, a player could exile an opponent’s commander, effectively crippling their entire deck. The prior agreement ensures that all players understand the scope of this ability.
- Research allows players to add card types to their library. Without Rule 13, a player could essentially hack their own deck and access any card. By requiring agreement, players ensure that Research is used for its intended purpose.
- Ring of Ma’ruf allows players to move cards from one graveyard to another. Without Rule 13, a player could manipulate their opponent’s graveyard, potentially winning the game. The prior agreement prevents abuse and maintains fairness.
Table of Cards Affected by Rule 13:
| Card | Effect | Required Agreement |
|---|---|---|
| Wish | Choose specific card | |
| Spawnsire | Exile opponent’s card | |
| Research | Add card type | |
| Ring of Ma’ruf | Move cards |
Conclusion:
Rule 13 is an essential component of EDH, ensuring that players collaborate and agree on the scope of abilities that can refer to external cards. By understanding and respecting Rule 13, players can maintain a fun and engaging casual format that encourages creativity and camaraderie.
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