diff --git a/assets/red_oval_open_one.png b/assets/red_oval_open_one.png
new file mode 100644
index 0000000..9a7b387
Binary files /dev/null and b/assets/red_oval_open_one.png differ
diff --git a/flake.nix b/flake.nix
index 67e946e..a7c443a 100644
--- a/flake.nix
+++ b/flake.nix
@@ -38,6 +38,7 @@
           cargo-expand
           nixpkgs-fmt
           cmake
+          rx
         ] ++ buildInputs ++ nativeBuildInputs;
       in
       rec {
diff --git a/src/main.rs b/src/main.rs
index 8323001..ea58670 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,9 +1,84 @@
-use bevy::prelude::*;
+use bevy::{prelude::*, utils::HashMap};
 
 fn main() {
-    App::new().add_plugins(DefaultPlugins).run();
+    App::new()
+        .add_systems(Startup, startup)
+        .add_plugins(DefaultPlugins)
+        .run();
 }
 
-fn hello_world_system() {
-    println!("hello world");
+fn startup(mut commands: Commands, server: Res<AssetServer>) {
+    let sprite = Sprite {
+        image: server.load("red_oval_open_one.png"),
+        ..default()
+    };
+    let mut cards = HashMap::new();
+    let card = Card {
+        color: ItemColor::Red,
+        shape: ItemShape::Oval,
+        pattern: ItemPattern::Open,
+        number: ItemNumber::One,
+    };
+    cards.insert(card, sprite);
+    // [ItemColor::Red, ItemColor::Green, ItemColor::Purple]
+    //     .iter()
+    //     .for_each(|c| {
+    //         [ItemNumber::One, ItemNumber::Two, ItemNumber::Three]
+    //             .iter()
+    //             .for_each(|n| {
+    //                 [ItemPattern::Solid, ItemPattern::Striped, ItemPattern::Open]
+    //                     .iter()
+    //                     .for_each(|p| {
+    //                         [ItemShape::Oval, ItemShape::Diamond, ItemShape::Squiggle]
+    //                             .iter()
+    //                             .for_each(|s| {
+    //                                 cards.insert((*c, *s, *p, *n), sprite.clone());
+    //                             });
+    //                     });
+    //             });
+    //     });
+    let test_deck = Deck { cards };
+    commands.insert_resource(test_deck);
+}
+
+// 81 cards total
+#[derive(Resource)]
+struct Deck {
+    cards: HashMap<Card, Sprite>,
+}
+
+#[derive(PartialEq, Eq, Hash, Clone, Copy)]
+struct Card {
+    color: ItemColor,
+    number: ItemNumber,
+    pattern: ItemPattern,
+    shape: ItemShape,
+}
+
+#[derive(PartialEq, Eq, Hash, Clone, Copy)]
+enum ItemColor {
+    Red,
+    Green,
+    Purple,
+}
+
+#[derive(PartialEq, Eq, Hash, Clone, Copy)]
+enum ItemNumber {
+    One,
+    Two,
+    Three,
+}
+
+#[derive(PartialEq, Eq, Hash, Clone, Copy)]
+enum ItemPattern {
+    Solid,
+    Striped,
+    Open,
+}
+
+#[derive(PartialEq, Eq, Hash, Clone, Copy)]
+enum ItemShape {
+    Oval,
+    Diamond,
+    Squiggle,
 }