diff --git a/package.json b/package.json
index 4dfd19d..fee1c7c 100644
--- a/package.json
+++ b/package.json
@@ -11,12 +11,14 @@
   "dependencies": {
     "buefy": "^0.8.2",
     "core-js": "^2.6.5",
+    "idb": "^4.0.4",
     "register-service-worker": "^1.6.2",
     "vue": "^2.6.10",
     "vue-class-component": "^7.0.2",
     "vue-property-decorator": "^8.1.0",
     "vue-router": "^3.0.3",
-    "vuex": "^3.0.1"
+    "vuex": "^3.0.1",
+    "vuex-class": "^0.3.2"
   },
   "devDependencies": {
     "@vue/cli-plugin-babel": "^3.11.0",
diff --git a/src/App.vue b/src/App.vue
index e086ec2..60f68c6 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -1,16 +1,33 @@
 <template>
-  <main>
+  <main v-if="loaded">
     <TopBar v-if="!isFullscreen" />
     <router-view />
   </main>
+  <main class="loading-box" v-else>
+    <h1 class="loading-message" v-if="loading">{{ loading }}</h1>
+  </main>
 </template>
 
-<style lang="scss">
+<style lang="scss" scoped>
+main.loading-box {
+  height: 100vh;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+h1.loading-message {
+  flex: 1;
+  text-align: center;
+}
 </style>
 
 <script lang="ts">
 import { Component, Vue } from "vue-property-decorator";
-import TopBar from "./components/Navigation/TopBar.vue";
+import { Action, Getter } from "vuex-class";
+import TopBar from "@/components/Navigation/TopBar.vue";
+import { loadSets } from "@/mlpccg/set";
+import { AppState } from "./store/types";
 
 @Component({
   components: {
@@ -18,8 +35,26 @@ import TopBar from "./components/Navigation/TopBar.vue";
   }
 })
 export default class App extends Vue {
+  @Action showLoading!: (msg: string) => void;
+  @Action hideLoading!: () => void;
+  @Action setLoaded!: (loaded: boolean) => void;
+  @Getter loaded!: boolean;
+  @Getter loading!: string | null;
+
   private get isFullscreen(): boolean {
     return this.$route.meta && this.$route.meta.fullscreen;
   }
+
+  private mounted() {
+    // Load all sets
+    this.loadCards();
+  }
+
+  private async loadCards() {
+    this.showLoading("Downloading data for all sets");
+    await loadSets();
+    this.hideLoading();
+    this.setLoaded(true);
+  }
 }
 </script>
diff --git a/src/assets/scss/app.scss b/src/assets/scss/app.scss
index a378a0f..04c592c 100644
--- a/src/assets/scss/app.scss
+++ b/src/assets/scss/app.scss
@@ -3,4 +3,13 @@
 @import "variables";
 @import "~bulma/sass/utilities/derived-variables";
 @import "~bulma";
-@import "~buefy/src/scss/buefy";
\ No newline at end of file
+@import "~buefy/src/scss/buefy";
+
+html {
+    scrollbar-color: #404245 #2f3132;
+    background-color: #2a2c2e;
+}
+
+body {
+    color: white;
+}
\ No newline at end of file
diff --git a/src/mlpccg/card.ts b/src/mlpccg/card.ts
new file mode 100644
index 0000000..00966da
--- /dev/null
+++ b/src/mlpccg/card.ts
@@ -0,0 +1,5 @@
+const imgBaseURL = "https://mcg.zyg.ovh/images/cards/";
+
+export function cardImageURL(cardid: string): string {
+  return `${imgBaseURL}${cardid}.webp`;
+}
diff --git a/src/mlpccg/database.ts b/src/mlpccg/database.ts
new file mode 100644
index 0000000..7ca0a86
--- /dev/null
+++ b/src/mlpccg/database.ts
@@ -0,0 +1,35 @@
+import { DBSchema, openDB } from "idb";
+import { Card } from "./types";
+
+interface CardDB extends DBSchema {
+  card: {
+    key: string;
+    value: Card;
+    indexes: {
+      "by-set": string;
+      "by-element": string[];
+      "by-type": string;
+      "by-cost": number;
+      "by-power": number;
+      "by-rarity": string;
+    };
+  };
+}
+
+const cardDBName = "card-db";
+
+export async function openCardDB() {
+  return await openDB<CardDB>(cardDBName, 1, {
+    upgrade(db) {
+      const cardStore = db.createObjectStore("card", {
+        keyPath: "ID"
+      });
+      cardStore.createIndex("by-set", "Set");
+      cardStore.createIndex("by-element", "Element");
+      cardStore.createIndex("by-type", "Type");
+      cardStore.createIndex("by-cost", "Cost");
+      cardStore.createIndex("by-power", "Power");
+      cardStore.createIndex("by-rarity", "Rarity");
+    }
+  });
+}
diff --git a/src/mlpccg/set.ts b/src/mlpccg/set.ts
new file mode 100644
index 0000000..1609c17
--- /dev/null
+++ b/src/mlpccg/set.ts
@@ -0,0 +1,47 @@
+import { SetFile } from "./types";
+import { openCardDB } from "./database";
+
+const baseURL = "https://mcg.zyg.ovh/setdata/";
+const allSets = [
+  "PR",
+  "CN",
+  "RR",
+  "CS",
+  "CG",
+  "AD",
+  "EO",
+  "HM",
+  "MT",
+  "DE",
+  "SB",
+  "FF",
+  "Promo"
+];
+
+export async function loadSets() {
+  const db = await openCardDB();
+  const itemcount = await db.count("card");
+  if (itemcount > 100) {
+    // DB already filled, exit early
+    return;
+  }
+  const sets = await Promise.all(allSets.map(set => downloadSet(set)));
+  await Promise.all(
+    sets.map(
+      async set =>
+        await Promise.all(
+          set.Cards.map(async card => await db.put("card", card))
+        )
+    )
+  );
+}
+
+async function downloadSet(setid: string): Promise<SetFile> {
+  const setfile = await fetch(`${baseURL}${setid.toLowerCase()}.json`);
+  const setdata: SetFile = await setfile.json();
+  setdata.Cards = setdata.Cards.map(c => {
+    c.Set = setid;
+    return c;
+  });
+  return setdata;
+}
diff --git a/src/mlpccg/types.ts b/src/mlpccg/types.ts
new file mode 100644
index 0000000..e879ba6
--- /dev/null
+++ b/src/mlpccg/types.ts
@@ -0,0 +1,28 @@
+export type Rarity = "C" | "U" | "R" | "SR" | "UR" | "RR";
+
+export type PowerRequirement = { [key: string]: number };
+
+export interface SetFile {
+  Name: string;
+  Cards: Card[];
+}
+
+export interface Card {
+  ID: string;
+  Set: string;
+  Name: string;
+  Subname: string;
+  Element: string[];
+  Keywords: string[];
+  Traits: string[];
+  Requirement?: PowerRequirement;
+  Cost?: number;
+  Power?: number;
+  Type: string;
+  Text: string;
+  Rarity: Rarity;
+  ProblemBonus?: number;
+  ProblemOpponentPower?: number;
+  ProblemRequirement?: PowerRequirement;
+  Boosted?: Card;
+}
diff --git a/src/store/actions.ts b/src/store/actions.ts
new file mode 100644
index 0000000..bc6cf05
--- /dev/null
+++ b/src/store/actions.ts
@@ -0,0 +1,18 @@
+import { ActionTree } from "vuex";
+import { AppState } from "./types";
+
+const actions: ActionTree<AppState, AppState> = {
+  showLoading({ commit }, message: string) {
+    commit("setLoading", message);
+  },
+
+  hideLoading({ commit }) {
+    commit("setLoading", "");
+  },
+
+  setLoaded({ commit }, loaded: boolean) {
+    commit("setLoaded", loaded);
+  }
+};
+
+export default actions;
diff --git a/src/store/getters.ts b/src/store/getters.ts
new file mode 100644
index 0000000..b171a4e
--- /dev/null
+++ b/src/store/getters.ts
@@ -0,0 +1,17 @@
+import { GetterTree } from "vuex";
+import { AppState } from "./types";
+
+const getters: GetterTree<AppState, AppState> = {
+  loaded(state): boolean {
+    return state.loaded;
+  },
+
+  loading(state): string | null {
+    if (state.loading) {
+      return state.loadingMessage;
+    }
+    return null;
+  }
+};
+
+export default getters;
diff --git a/src/store/index.ts b/src/store/index.ts
index 7273841..4909137 100644
--- a/src/store/index.ts
+++ b/src/store/index.ts
@@ -4,8 +4,19 @@ import { AppState } from "./types";
 
 Vue.use(Vuex);
 
+import actions from "./actions";
+import mutations from "./mutations";
+import getters from "./getters";
+
 const store: StoreOptions<AppState> = {
-  state: {},
+  state: {
+    loaded: false,
+    loading: false,
+    loadingMessage: ""
+  },
+  actions,
+  mutations,
+  getters,
   modules: {}
 };
 
diff --git a/src/store/mutations.ts b/src/store/mutations.ts
new file mode 100644
index 0000000..c0473e7
--- /dev/null
+++ b/src/store/mutations.ts
@@ -0,0 +1,15 @@
+import { MutationTree } from "vuex";
+import { AppState } from "./types";
+
+const mutations: MutationTree<AppState> = {
+  setLoaded(state, loaded: boolean) {
+    state.loaded = loaded;
+  },
+
+  setLoading(state, message: string) {
+    state.loading = message != "";
+    state.loadingMessage = message;
+  }
+};
+
+export default mutations;
diff --git a/src/store/types.ts b/src/store/types.ts
index 06e2c2e..04230b8 100644
--- a/src/store/types.ts
+++ b/src/store/types.ts
@@ -1 +1,5 @@
-export interface AppState {}
+export interface AppState {
+  loaded: boolean;
+  loading: boolean;
+  loadingMessage: string;
+}
diff --git a/yarn.lock b/yarn.lock
index 26cd863..7b5d3c5 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4453,6 +4453,11 @@ icss-utils@^2.1.0:
   dependencies:
     postcss "^6.0.1"
 
+idb@^4.0.4:
+  version "4.0.4"
+  resolved "https://registry.yarnpkg.com/idb/-/idb-4.0.4.tgz#f0c06f58bd78fe557e4de944fd6ba6a3240faa8e"
+  integrity sha512-ZYsaBSNub2yAnjvmRKudQlMIPqZQIefAOwNIPeXC+RLIeXYFc0UNQqONKNuQeBNf8oBOV5L75yJ9zFISjHVj4g==
+
 ieee754@^1.1.4:
   version "1.1.13"
   resolved "https://registry.yarnpkg.com/ieee754/-/ieee754-1.1.13.tgz#ec168558e95aa181fd87d37f55c32bbcb6708b84"
@@ -8814,6 +8819,11 @@ vue@^2.6.10:
   resolved "https://registry.yarnpkg.com/vue/-/vue-2.6.10.tgz#a72b1a42a4d82a721ea438d1b6bf55e66195c637"
   integrity sha512-ImThpeNU9HbdZL3utgMCq0oiMzAkt1mcgy3/E6zWC/G6AaQoeuFdsl9nDhTDU3X1R6FK7nsIUuRACVcjI+A2GQ==
 
+vuex-class@^0.3.2:
+  version "0.3.2"
+  resolved "https://registry.yarnpkg.com/vuex-class/-/vuex-class-0.3.2.tgz#c7e96a076c1682137d4d23a8dcfdc63f220e17a8"
+  integrity sha512-m0w7/FMsNcwJgunJeM+wcNaHzK2KX1K1rw2WUQf7Q16ndXHo7pflRyOV/E8795JO/7fstyjH3EgqBI4h4n4qXQ==
+
 vuex@^3.0.1:
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/vuex/-/vuex-3.1.1.tgz#0c264bfe30cdbccf96ab9db3177d211828a5910e"