Blue dog rule

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[[Image:Trader.jpg|thumb|right|200px|[[Trader]], the card that most often invokes this rule.]]
 
[[Image:Trader.jpg|thumb|right|200px|[[Trader]], the card that most often invokes this rule.]]
  
The "'''blue dog rule'''" is a ruling by [[Donald X]] on what to do when an ability has an effect either on a card it's gaining, or based on a card it's gaining, but the card to-be-gained is never actually gained for one reason or another.  In this case, the ability has no effect, since it did not gain a card.
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The "'''blue dog rule'''" is a ruling by [[Donald X]] on what to do when an ability has an effect either based on a card it's gaining, but the card to-be-gained is never actually gained for one reason or another.  In this case, the ability has no effect, since it did not gain a card.
  
 
The archetypal example of this rule is the interaction between {{Card|Ironworks}} and {{Card|Trader}}.  If you would gain a card with Ironworks, and then reveal Trader to gain a {{Card|Silver}} instead, you never actually gained anything with Ironworks, so Ironworks fails to give a bonus effect based on the type of the card gained.
 
The archetypal example of this rule is the interaction between {{Card|Ironworks}} and {{Card|Trader}}.  If you would gain a card with Ironworks, and then reveal Trader to gain a {{Card|Silver}} instead, you never actually gained anything with Ironworks, so Ironworks fails to give a bonus effect based on the type of the card gained.
 
Many cards gain a card to the top of your deck or to your hand; if you reveal Trader, or are being {{Card|Possession|Possessed}}, the Silver (or the gained card) goes into your discard pile (or the player to your right's discard pile).
 
  
 
It is called the "blue dog" rule because when [[Hinterlands]] was first released, Donald X posted a bizarre anecdote about walking a blue dog to try to explain the interaction.
 
It is called the "blue dog" rule because when [[Hinterlands]] was first released, Donald X posted a bizarre anecdote about walking a blue dog to try to explain the interaction.
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If a chosen Supply pile is empty, this also hinders gaining.
 
If a chosen Supply pile is empty, this also hinders gaining.
 
=== Gain-effect cards ===
 
=== Gain-effect cards ===
* {{Card|Bureaucrat}}
 
* {{Card|Mine}}
 
 
* {{Card|Ironworks}}
 
* {{Card|Ironworks}}
* {{Card|Trading Post}}
 
* {{Card|Treasure Map}}
 
* {{Card|Explorer}}
 
* {{Card|Bag of Gold}}
 
* {{Card|Tournament}}
 
 
* {{Card|Horn of Plenty}}
 
* {{Card|Horn of Plenty}}
* {{Card|Develop}}
 
* {{Card|Beggar}}
 
* {{Card|Armory}}
 
* {{Card|Graverobber}}
 
* {{Card|Taxman}}
 
 
* {{Card|Messenger}}
 
* {{Card|Messenger}}
* {{Card|Transmogrify}}
 
* {{Card|Artificer}}
 
 
* {{Event|Seaway}}
 
* {{Event|Seaway}}
 
* {{Event|Summon}}
 
* {{Event|Summon}}

Revision as of 15:30, 1 March 2016

Trader, the card that most often invokes this rule.

The "blue dog rule" is a ruling by Donald X on what to do when an ability has an effect either based on a card it's gaining, but the card to-be-gained is never actually gained for one reason or another. In this case, the ability has no effect, since it did not gain a card.

The archetypal example of this rule is the interaction between IronworksIronworks.jpg and TraderTrader.jpg. If you would gain a card with Ironworks, and then reveal Trader to gain a SilverSilver.jpg instead, you never actually gained anything with Ironworks, so Ironworks fails to give a bonus effect based on the type of the card gained.

It is called the "blue dog" rule because when Hinterlands was first released, Donald X posted a bizarre anecdote about walking a blue dog to try to explain the interaction.

Contents

List of cards that can invoke the Blue dog rule

Gaining-hinderers

If a chosen Supply pile is empty, this also hinders gaining.

Gain-effect cards

Trivia

Donald X.'s original quote:

If I say, "feed the blue dog, then take it for a walk," "it" refers to the blue dog, including its blueness, but "it" does not mean "the dog you fed." We are talking about a blue dog, and I am giving you two commands concerning it. Feed it, walk it.
—Donald X., Ironworks and Trader


While the quote provided the name for the ruling, afterward Donald X. changed his position on how the interaction should work to how it stands today.


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Rules Blue dog ruleCostDeckGameplayMaterialsNo Visiting ruleStop-Moving rule (previously Lose Track rule) • Supply (Kingdom) • Triggered effectsTurn
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