Reaction
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It is permissible to reveal a Reaction from one's hand in response to an event even if the Reaction was not yet in hand when the triggering event took place, provided that the ability that ''puts'' the Reaction in hand was ''also'' triggered by the same event that triggered the Reaction. For instance, if you gain a {{Card|Curse}} from another player, you may play a {{Card|Sheepdog}}, draw another {{Card|Sheepdog}}, and play it as well. | It is permissible to reveal a Reaction from one's hand in response to an event even if the Reaction was not yet in hand when the triggering event took place, provided that the ability that ''puts'' the Reaction in hand was ''also'' triggered by the same event that triggered the Reaction. For instance, if you gain a {{Card|Curse}} from another player, you may play a {{Card|Sheepdog}}, draw another {{Card|Sheepdog}}, and play it as well. | ||
| − | If multiple players want to use Reactions at the same time, players go in turn order, starting with the current player | + | If multiple players want to use Reactions at the same time, players go in turn order, starting with the current player. For example, if player 1 gains a {{Card|Mill}} on their turn, then they may react with a {{Card|Sheepdog}}, player 2 may react with a {{Card|Black Cat}}, and player 3 may react with a {{Card|Falconer}}. In this case, player 1 goes first. |
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| + | If another player uses a reaction, any previous players in turn order get another chance to react (starting with the current player). However, once all players have declined to use a reaction, no one may use reactions anymore. | ||
== Strategy == | == Strategy == | ||
Revision as of 03:15, 28 June 2021
Reaction is a card type. Reaction cards have blue frames, and appear in most expansions. "Reaction" is always a subtype, and the Reaction effect of a card is almost always detailed under a dividing line. As the name would suggest, Reactions have their effects triggered in response to something else happening; when its particular trigger occurs, a Reaction may be revealed by the player in order to get its effect. These triggers usually happen when the card is in its owner's hand or otherwise not visible to opponents; cards with when-gain or when-trash abilities are not considered to be Reactions.
Reaction effects can occur anytime their trigger happens, not just during your own turn.
Contents |
List of Reaction Cards
Cards in italics have been removed.
Hovel
Beggar, Black Cat, Faithful Hound, Fool's Gold, Moat, Secret Chamber, Sleigh
Caravan Guard, Market Square, Tunnel, Watchtower, Sheepdog
Diplomat, Horse Traders, Patron, Trader, Village Green
Falconer
Rules
There are no official rules for Reaction cards in general. How to use them is detailed in the FAQ for each individual card, and in the rules descriptions of the specific mechanics on those cards.
Using the Reaction effect of a card does not necessarily involve playing the card (or putting it in the play area or carrying out its on-play effects); for instance, when you reveal a Moat to protect yourself from an Attack, the Moat remains in your hand and does not give you +2 Cards. There are a handful of Reaction cards (e.g., Caravan Guard) that do cause themselves to be played as part of their Reaction effects; their text specifically says that they may be played at that time.
Some Reaction cards' abilities instruct a player to discard them, trash them, play them, or set them aside when they are revealed for their Reaction effects. In the absence of such instructions, after being revealed, the card returns to wherever it was revealed from before the rest of its abilities are resolved. For instance, if one player plays an Attack card and another reveals a Moat as a Reaction, the Moat returns to the second player's hand and may be revealed again against future Attacks, and may be played (as an Action) on their next turn. In such cases, it is even permissible to reveal the same Reaction multiple times in response to the same event; however, Reaction abilities are balanced in such a way that doing so rarely has any additional effect.
It is permissible to reveal a Reaction from one's hand in response to an event even if the Reaction was not yet in hand when the triggering event took place, provided that the ability that puts the Reaction in hand was also triggered by the same event that triggered the Reaction. For instance, if you gain a Curse from another player, you may play a Sheepdog, draw another Sheepdog, and play it as well.
If multiple players want to use Reactions at the same time, players go in turn order, starting with the current player. For example, if player 1 gains a Mill on their turn, then they may react with a Sheepdog, player 2 may react with a Black Cat, and player 3 may react with a Falconer. In this case, player 1 goes first.
If another player uses a reaction, any previous players in turn order get another chance to react (starting with the current player). However, once all players have declined to use a reaction, no one may use reactions anymore.
Strategy
Many Reaction cards may be revealed in response to an opponent playing an Attack card, and offer some type of defense against some or all Attack cards. Several Reactions that react to events other than Attacks may also offer some protection from Attacks; for instance, Watchtower's Reaction ability protects a player against junking attacks, and its Action ability protects a player against handsize attacks. Since the first Reaction card that many players encounter is Moat, it is a common misconception among new players that all Reactions are revealed in response to Attacks being played, or even that all Reactions offer Moat-like cancellation of Attack effects. However, not all Reactions offer any protection against or interaction with Attacks at all (e.g., Fool's Gold), and not all cards that protect a player against attacks are Reactions (e.g., Lighthouse).
Trivia
In other languages
- Czech: Reakce
- Dutch: Reactie
- Finnish: Vastaveto (lit. counter-move)
- German: Reaktion
- Polish: Reakcja
- Russian: Реакция (pron. ryeaktsiya)
What makes a reaction?
Fortress could have been a reaction. It was a decision to make back when. The argument for not making when-trashed cards reactions - and not making when-gain cards reactions too, or giving them their own color - is that the card is involved. You know. You play Militia; Moat isn't involved, but I could use it. You play Venture; Tunnel and Patron are just going by, but they matter. You buy or trash Silk Merchant; it's right there, in on the action. So we don't need to call attention to it as much as we do Moat / Patron / etc.
But, it certainly could have been that when-gain/trash got colors.
Secret History (Menagerie)
