diff --git a/src/games/slaythespire2/wiki/cards.ts b/src/games/slaythespire2/wiki/cards.ts
new file mode 100644
index 0000000..be979df
--- /dev/null
+++ b/src/games/slaythespire2/wiki/cards.ts
@@ -0,0 +1,100 @@
+/**
+ * Compares the local CARDS item data array against the wiki's card data.
+ * Prints matched / new / stale entries to the terminal.
+ *
+ * On slaythespire.wiki.gg the card data is split into submodules
+ * `Module:Cards/StS2 data/<Character>`.
+ *
+ * Run with: pnpm tsx src/games/slaythespire2/wiki/cards.ts
+ */
+
+import { cleanWikiText } from "#/features/wiki-sync/clean-wiki-text";
+import {
+	CARDS,
+	type SlayTheSpire2CardItem,
+} from "#/games/slaythespire2/core/item-data/cards.ts";
+import {
+	type CompareResult,
+	getString,
+	syncWikiCategory,
+} from "#/games/slaythespire2/wiki/sync-category.ts";
+
+const CARD_SUBMODULES = [
+	"Ironclad",
+	"Silent",
+	"Regent",
+	"Necrobinder",
+	"Defect",
+	"Colorless",
+] as const;
+
+const WIKI_URLS = CARD_SUBMODULES.map(
+	(c) =>
+		`https://slaythespire.wiki.gg/wiki/Module:Cards/StS2%20data/${c}?action=raw`,
+);
+
+type LocalCard = (typeof CARDS)[number];
+
+type WikiCard = {
+	name: string;
+	description: string[];
+	cost: number | undefined;
+	type: string;
+	rarity: string;
+	color: string;
+	image: string;
+};
+
+const getNumber = (
+	fields: Record<string, unknown>,
+	key: string,
+): number | undefined =>
+	typeof fields[key] === "number" ? (fields[key] as number) : undefined;
+
+const normalizeEntry = (
+	name: string,
+	fields: Record<string, unknown>,
+): WikiCard => ({
+	name,
+	description: cleanWikiText(getString(fields, "Text")),
+	cost: getNumber(fields, "Cost"),
+	type: getString(fields, "Type"),
+	rarity: getString(fields, "Rarity"),
+	color: getString(fields, "Color"),
+	image: getString(fields, "Image"),
+});
+
+const compareCard = (local: LocalCard, wiki: WikiCard): CompareResult => {
+	const localDesc = JSON.stringify(local.description);
+	const wikiDesc = JSON.stringify(wiki.description);
+	const localCost = local.cost.energy;
+	const wikiCost = wiki.cost;
+
+	const differingFields: string[] = [];
+	if (localDesc !== wikiDesc) differingFields.push("description");
+	if (wikiCost !== undefined && localCost !== wikiCost) {
+		differingFields.push("cost.energy");
+	}
+
+	return {
+		differingFields,
+		printDetails: () => {
+			if (localDesc !== wikiDesc) {
+				console.log(`    description local: ${localDesc}`);
+				console.log(`    description wiki:  ${wikiDesc}`);
+			}
+			if (wikiCost !== undefined && localCost !== wikiCost) {
+				console.log(`    cost.energy local: ${localCost}`);
+				console.log(`    cost.energy wiki:  ${wikiCost}`);
+			}
+		},
+	};
+};
+
+void syncWikiCategory<SlayTheSpire2CardItem, WikiCard>({
+	wikiUrls: WIKI_URLS,
+	label: "cards",
+	localItems: CARDS,
+	normalizeEntry,
+	compareItem: compareCard,
+});
diff --git a/src/games/slaythespire2/wiki/potions.ts b/src/games/slaythespire2/wiki/potions.ts
index b057c9d..0955ddf 100644
--- a/src/games/slaythespire2/wiki/potions.ts
+++ b/src/games/slaythespire2/wiki/potions.ts
@@ -75,7 +75,7 @@ const comparePotion = (local: LocalPotion, wiki: WikiPotion): CompareResult => {
 };
 
 void syncWikiCategory<LocalPotion, WikiPotion>({
-	wikiUrl: WIKI_URL,
+	wikiUrls: [WIKI_URL],
 	label: "potions",
 	localItems: POTIONS,
 	normalizeEntry,
diff --git a/src/games/slaythespire2/wiki/relics.ts b/src/games/slaythespire2/wiki/relics.ts
index 8d8ba5b..d951a0d 100644
--- a/src/games/slaythespire2/wiki/relics.ts
+++ b/src/games/slaythespire2/wiki/relics.ts
@@ -134,7 +134,7 @@ const compareRelic = (local: LocalRelic, wiki: WikiRelic): CompareResult => {
 };
 
 void syncWikiCategory<LocalRelic, WikiRelic>({
-	wikiUrl: WIKI_URL,
+	wikiUrls: [WIKI_URL],
 	label: "relics",
 	localItems: RELICS,
 	normalizeEntry,
diff --git a/src/games/slaythespire2/wiki/sync-category.ts b/src/games/slaythespire2/wiki/sync-category.ts
index fe1b819..bb9eeea 100644
--- a/src/games/slaythespire2/wiki/sync-category.ts
+++ b/src/games/slaythespire2/wiki/sync-category.ts
@@ -54,7 +54,7 @@ type SyncCategoryOptions<
 	TLocal extends { name: string },
 	TWiki extends { name: string },
 > = {
-	wikiUrl: string;
+	wikiUrls: string[];
 	label: string;
 	localItems: readonly TLocal[];
 	normalizeEntry: (name: string, fields: Record<string, unknown>) => TWiki;
@@ -68,7 +68,7 @@ type WikiSyncStats = {
 	diffCounts: Map<string, number>;
 };
 
-const fetchWikiItems = async <TWiki>(
+const fetchModule = async <TWiki extends { name: string }>(
 	wikiUrl: string,
 	normalizeEntry: (name: string, fields: Record<string, unknown>) => TWiki,
 ): Promise<TWiki[]> => {
@@ -83,6 +83,24 @@ const fetchWikiItems = async <TWiki>(
 	);
 };
 
+const fetchWikiItems = async <TWiki extends { name: string }>(
+	wikiUrls: string[],
+	normalizeEntry: (name: string, fields: Record<string, unknown>) => TWiki,
+): Promise<TWiki[]> => {
+	const seen = new Set<string>();
+	const all: TWiki[] = [];
+	for (const wikiUrl of wikiUrls) {
+		for (const item of await fetchModule(wikiUrl, normalizeEntry)) {
+			if (seen.has(item.name)) {
+				console.warn(`  ! duplicate '${item.name}' across modules — last wins`);
+			}
+			seen.add(item.name);
+			all.push(item);
+		}
+	}
+	return all;
+};
+
 const reportMatch = <TLocal, TWiki extends { name: string }>(
 	local: TLocal,
 	wiki: TWiki,
@@ -122,9 +140,9 @@ const syncWikiCategory = async <
 >(
 	opts: SyncCategoryOptions<TLocal, TWiki>,
 ): Promise<void> => {
-	const { wikiUrl, label, localItems, normalizeEntry, compareItem } = opts;
+	const { wikiUrls, label, localItems, normalizeEntry, compareItem } = opts;
 
-	const wikiItems = await fetchWikiItems(wikiUrl, normalizeEntry);
+	const wikiItems = await fetchWikiItems(wikiUrls, normalizeEntry);
 	console.log(
 		`\nFetched ${wikiItems.length} ${label} from wiki; local has ${localItems.length}.\n`,
 	);