Fix Crabomination emerge from artifact

client/src/adapter/types.ts

@@ -1748,7 +1748,7 @@ export type WaitingFor =
   // `keyword.type` mirrors engine `AlternativeCastKeyword` (game_state.rs) 1:1.
   // Keep this union exhaustive with the engine enum so the modal's keyword
   // switch is type-checked against every variant the engine can emit.
-  | { type: "AlternativeCastChoice"; data: { player: PlayerId; object_id: ObjectId; card_id: CardId; payment_mode?: CastPaymentMode; keyword: { type: "Warp" } | { type: "Evoke" } | { type: "Emerge" } | { type: "Dash" } | { type: "Blitz" } | { type: "Overload" } | { type: "Bestow" } | { type: "Awaken" } | { type: "Cleave" } | { type: "MoreThanMeetsTheEye" } | { type: "Impending" } | { type: "Prototype" } | { type: "Mutate" } | { type: "Spectacle" } | { type: "Prowl" } | { type: "FaceDown" }; normal_cost: ManaCost; alternative_cost: ManaCost | null; alternative_additional_cost: SerializedAbilityCost | null } }
+  | { type: "AlternativeCastChoice"; data: { player: PlayerId; object_id: ObjectId; card_id: CardId; payment_mode?: CastPaymentMode; keyword: { type: "Warp" } | { type: "Evoke" } | { type: "Emerge" } | { type: "Dash" } | { type: "Blitz" } | { type: "Overload" } | { type: "Bestow" } | { type: "Awaken" } | { type: "Cleave" } | { type: "MoreThanMeetsTheEye" } | { type: "Impending" } | { type: "Prototype" } | { type: "Mutate" } | { type: "Spectacle" } | { type: "Prowl" } | { type: "FaceDown" }; normal_cost: ManaCost; alternative_cost: ManaCost | null; alternative_additional_cost: SerializedAbilityCost | null; alternative_additional_cost_description: string | null } }
   // CR 702.140c + CR 730.2a: mutating creature spell resolving with a legal
   // target — controller chooses to put it on top of or under the target creature.
   | { type: "MutateMergeChoice"; data: { player: PlayerId; merging_id: ObjectId; target_id: ObjectId } }

client/src/components/modal/AlternativeCostModal.tsx

@@ -35,6 +35,7 @@ interface KeywordCopy {
 function keywordCopy(
   keyword: Keyword,
   cardName: string,
+  alternativeAdditionalCostDescription: string | null,
   t: TFunction<"game">,
 ): KeywordCopy {
   switch (keyword) {
@@ -55,15 +56,18 @@ function keywordCopy(
         showOracleText: true,
         subtitle: t("alternativeCost.evokeSubtitle", { name: cardName }),
       };
-    // CR 702.119a-c: Emerge — sacrifice a creature while casting; the emerge
-    // cost is reduced by that creature's mana value (handled engine-side).
+    // CR 702.119a-b: Emerge's required sacrifice quality is supplied by the
+    // engine; the modal must not infer it from the typed cost filter.
     case "Emerge":
       return {
         eyebrow: t("alternativeCost.emergeEyebrow"),
         normalLabel: t("alternativeCost.emergeNormalLabel"),
         altLabel: t("alternativeCost.emergeAltLabel"),
         showOracleText: true,
-        subtitle: t("alternativeCost.emergeSubtitle", { name: cardName }),
+        subtitle: t("alternativeCost.emergeSubtitle", {
+          name: cardName,
+          sacrifice: alternativeAdditionalCostDescription ?? t("alternativeCost.emergeFallbackSacrifice"),
+        }),
       };
     // CR 702.109a: Dash — like Warp, the rider (haste + end-step return to hand)
     // lives on the keyword itself and doesn't change the spell's printed text.
@@ -243,6 +247,7 @@ export function AlternativeCostModal() {
       normalCost={data.normal_cost}
       alternativeCost={data.alternative_cost}
       alternativeAdditionalCost={data.alternative_additional_cost}
+      alternativeAdditionalCostDescription={data.alternative_additional_cost_description}
       dispatch={dispatch}
     />
   );
@@ -254,13 +259,15 @@ function AlternativeCostContent({
   normalCost,
   alternativeCost,
   alternativeAdditionalCost,
+  alternativeAdditionalCostDescription,
   dispatch,
 }: {
   objectId: number;
   keyword: Keyword;
   normalCost: ManaCost;
   alternativeCost: ManaCost | null;
   alternativeAdditionalCost: SerializedAbilityCost | null;
+  alternativeAdditionalCostDescription: string | null;
   dispatch: (action: GameAction) => Promise<unknown>;
 }) {
   const { t } = useTranslation("game");
@@ -269,7 +276,7 @@ function AlternativeCostContent({
   if (!obj) return null;
 
   const cardName = obj.name;
-  const copy = keywordCopy(keyword, cardName, t);
+  const copy = keywordCopy(keyword, cardName, alternativeAdditionalCostDescription, t);
 
   return (
     <DialogShell
@@ -315,7 +322,7 @@ function AlternativeCostContent({
           )}
           {alternativeAdditionalCost && (
             <span className="ml-2 text-xs text-slate-300">
-              {describeAdditionalCost(alternativeAdditionalCost, t)}
+              {alternativeAdditionalCostDescription ?? describeAdditionalCost(alternativeAdditionalCost, t)}
             </span>
           )}
           {copy.altSuffix && (

client/src/components/modal/__tests__/AlternativeCostModal.test.tsx

@@ -34,7 +34,10 @@ type AltKeyword = Extract<
   { type: "AlternativeCastChoice" }
 >["data"]["keyword"]["type"];
 
-function setSpectacleChoice(keyword: AltKeyword) {
+function setSpectacleChoice(
+  keyword: AltKeyword,
+  alternativeAdditionalCostDescription: string | null = null,
+) {
   const waitingFor: WaitingFor = {
     type: "AlternativeCastChoice",
     data: {
@@ -45,6 +48,7 @@ function setSpectacleChoice(keyword: AltKeyword) {
       normal_cost: { type: "Cost", shards: ["Red"], generic: 3 },
       alternative_cost: RED_COST,
       alternative_additional_cost: null,
+      alternative_additional_cost_description: alternativeAdditionalCostDescription,
     },
   };
 
@@ -121,4 +125,11 @@ describe("AlternativeCostModal", () => {
       ).toBeInTheDocument();
     },
   );
+
+  it("renders Emerge's engine-provided sacrifice description", () => {
+    setSpectacleChoice("Emerge", "an artifact");
+    render(<AlternativeCostModal />);
+
+    expect(screen.getByText(/sacrificing an artifact/i)).toBeInTheDocument();
+  });
 });

client/src/i18n/locales/de/game.json

@@ -1754,7 +1754,8 @@
     "emergeEyebrow": "Auftauchen",
     "emergeNormalLabel": "Normal wirken",
     "emergeAltLabel": "Mit Auftauchen wirken",
-    "emergeSubtitle": "Wirke {{name}} normal oder zahle seine Auftauchen-Kosten, indem du eine Kreatur opferst, was die Kosten um den Manawert dieser Kreatur reduziert.",
+    "emergeSubtitle": "Wirke {{name}} normal oder zahle seine Auftauchen-Kosten, indem du {{sacrifice}} opferst, was die Kosten um den Manawert dieser bleibenden Karte reduziert.",
+    "emergeFallbackSacrifice": "eine passende bleibende Karte",
     "impendingEyebrow": "Drohend",
     "impendingNormalLabel": "Normal wirken",
     "impendingAltLabel": "Mit Drohend wirken",

client/src/i18n/locales/en/game.json

@@ -1798,7 +1798,8 @@
     "emergeEyebrow": "Emerge",
     "emergeNormalLabel": "Cast Normally",
     "emergeAltLabel": "Cast with Emerge",
-    "emergeSubtitle": "Cast {{name}} normally, or pay its Emerge cost by sacrificing a creature, reducing the cost by that creature's mana value.",
+    "emergeSubtitle": "Cast {{name}} normally, or pay its Emerge cost by sacrificing {{sacrifice}}, reducing the cost by that permanent's mana value.",
+    "emergeFallbackSacrifice": "a matching permanent",
     "impendingEyebrow": "Impending",
     "impendingNormalLabel": "Cast Normally",
     "impendingAltLabel": "Cast with Impending",

client/src/i18n/locales/es/game.json

@@ -1754,7 +1754,8 @@
     "emergeEyebrow": "Emerger",
     "emergeNormalLabel": "Lanzar normalmente",
     "emergeAltLabel": "Lanzar con Emerger",
-    "emergeSubtitle": "Lanza {{name}} normalmente, o paga su coste de Emerger sacrificando una criatura, reduciendo el coste en el valor de maná de esa criatura.",
+    "emergeSubtitle": "Lanza {{name}} normalmente, o paga su coste de Emerger sacrificando {{sacrifice}}, reduciendo el coste en el valor de maná de ese permanente.",
+    "emergeFallbackSacrifice": "un permanente que cumpla los requisitos",
     "impendingEyebrow": "Inminencia",
     "impendingNormalLabel": "Lanzar normalmente",
     "impendingAltLabel": "Lanzar con Inminencia",

client/src/i18n/locales/fr/game.json

@@ -1754,7 +1754,8 @@
     "emergeEyebrow": "Émergence",
     "emergeNormalLabel": "Lancer normalement",
     "emergeAltLabel": "Lancer avec Émergence",
-    "emergeSubtitle": "Lancez {{name}} normalement, ou payez son coût d'Émergence en sacrifiant une créature, ce qui réduit le coût de la valeur de mana de cette créature.",
+    "emergeSubtitle": "Lancez {{name}} normalement, ou payez son coût d'Émergence en sacrifiant {{sacrifice}}, ce qui réduit le coût de la valeur de mana de ce permanent.",
+    "emergeFallbackSacrifice": "un permanent correspondant",
     "impendingEyebrow": "Imminence",
     "impendingNormalLabel": "Lancer normalement",
     "impendingAltLabel": "Lancer avec Imminence",

client/src/i18n/locales/it/game.json

@@ -1754,7 +1754,8 @@
     "emergeEyebrow": "Emergere",
     "emergeNormalLabel": "Lancia normalmente",
     "emergeAltLabel": "Lancia con Emergere",
-    "emergeSubtitle": "Lancia {{name}} normalmente, o paga il suo costo di Emergere sacrificando una creatura, riducendo il costo del valore di mana di quella creatura.",
+    "emergeSubtitle": "Lancia {{name}} normalmente, o paga il suo costo di Emergere sacrificando {{sacrifice}}, riducendo il costo del valore di mana di quel permanente.",
+    "emergeFallbackSacrifice": "un permanente corrispondente",
     "impendingEyebrow": "Incombere",
     "impendingNormalLabel": "Lancia normalmente",
     "impendingAltLabel": "Lancia con Incombere",

client/src/i18n/locales/pl/game.json

@@ -1754,7 +1754,8 @@
     "emergeEyebrow": "Emerge",
     "emergeNormalLabel": "Rzuć normalnie",
     "emergeAltLabel": "Rzuć z Emerge",
-    "emergeSubtitle": "Rzuć {{name}} normalnie lub zapłać jego koszt Emerge, poświęcając stwora, co zmniejsza koszt o wartość many tego stwora.",
+    "emergeSubtitle": "Rzuć {{name}} normalnie lub zapłać jego koszt Emerge, poświęcając {{sacrifice}}, co zmniejsza koszt o wartość many tego permanentu.",
+    "emergeFallbackSacrifice": "pasujący permanent",
     "impendingEyebrow": "Impending",
     "impendingNormalLabel": "Rzuć normalnie",
     "impendingAltLabel": "Rzuć z Impending",

client/src/i18n/locales/pt/game.json

@@ -1754,7 +1754,8 @@
     "emergeEyebrow": "Emergir",
     "emergeNormalLabel": "Conjurar Normalmente",
     "emergeAltLabel": "Conjurar com Emergir",
-    "emergeSubtitle": "Conjure {{name}} normalmente, ou pague seu custo de Emergir sacrificando uma criatura, reduzindo o custo pelo valor de mana daquela criatura.",
+    "emergeSubtitle": "Conjure {{name}} normalmente, ou pague seu custo de Emergir sacrificando {{sacrifice}}, reduzindo o custo pelo valor de mana daquele permanente.",
+    "emergeFallbackSacrifice": "um permanente correspondente",
     "impendingEyebrow": "Iminente",
     "impendingNormalLabel": "Conjurar Normalmente",
     "impendingAltLabel": "Conjurar com Iminente",

crates/engine/src/game/ability_scan.rs

@@ -4914,7 +4914,8 @@ fn scan_keyword(kw: &Keyword, mode: ScanMode) -> Axes {
         | Keyword::Echo(_)
         | Keyword::Buyback(_)
         | Keyword::Cycling(_)
-        | Keyword::Flashback(_) => Axes::CONSERVATIVE,
+        | Keyword::Flashback(_)
+        | Keyword::Emerge(_) => Axes::CONSERVATIVE,
         // Every other keyword carries a read-free payload (unit / u32 / String /
         // ManaCost / value tag): it reads nothing on any axis here. Its cost-read,
         // if any, is already captured by `cost_read` above.
@@ -5000,7 +5001,6 @@ fn scan_keyword(kw: &Keyword, mode: ScanMode) -> Axes {
         | Keyword::Madness(_)
         | Keyword::Miracle(_)
         | Keyword::Dash(_)
-        | Keyword::Emerge(_)
         | Keyword::Harmonize(_)
         | Keyword::Foretell(_)
         | Keyword::Mutate(_)