diff --git a/assets/config/card.ron b/assets/config/card.ron
index 3bf525d..244cc23 100644
--- a/assets/config/card.ron
+++ b/assets/config/card.ron
@@ -172,7 +172,7 @@
             description: "Sing an eighth note.",
             background: "pink",
             icon: "eighth_note",
-            max_level: 2,
+            max_level: 1,
 
             action: Attack,
             action_modifier: CardActionModifier(
@@ -185,7 +185,7 @@
             description: "Sing a quarter note.",
             background: "pink",
             icon: "quarter_note",
-            max_level: 4,
+            max_level: 3,
 
             action: Attack,
             action_modifier: CardActionModifier(
@@ -198,7 +198,7 @@
             description: "Sing a half note.",
             background: "pink",
             icon: "half_note",
-            min_level: 2,
+            min_level: 3,
             max_level: 6,
 
             action: Attack,
@@ -212,7 +212,8 @@
             description: "Sing a whole note.",
             background: "pink",
             icon: "whole_note",
-            min_level: 4,
+            min_level: 5,
+            max_level: 8,
 
             action: Attack,
             action_modifier: CardActionModifier(
@@ -225,7 +226,7 @@
             description: "Sing a pair of eighth notes.\n\n\"two beats, rapid fire!\"",
             background: "pink",
             icon: "pair",
-            max_level: 4,
+            max_level: 2,
             weight: 0.5,
 
             action: Attack,
@@ -239,8 +240,8 @@
             description: "Sing a triplet of eighth notes.\n\n\"...three beats, rapid fire!\"",
             background: "pink",
             icon: "triplet",
-            max_level: 4,
-            weight: 0.1,
+            max_level: 3,
+            weight: 0.4,
 
             action: Attack,
             action_modifier: CardActionModifier(
@@ -255,9 +256,9 @@
             // vscode-ron syntax highlighting breaks without this: '
             background: "pink",
             icon: "cacophony",
-            min_level: 4,
-            max_level: 7,
-            weight: 0.1,
+            min_level: 3,
+            max_level: 8,
+            weight: 0.25,
 
             action: Attack,
             action_modifier: CardActionModifier(
@@ -291,8 +292,8 @@
             // vscode-ron syntax highlighting breaks without this: '
             background: "pink",
             icon: "cluster",
-            min_level: 8,
-            weight: 0.7,
+            min_level: 6,
+            weight: 0.8,
 
             action: Attack,
             action_modifier: CardActionModifier(
@@ -327,8 +328,8 @@
             description: "Restore 10 health.",
             background: "green",
             icon: "quarter_rest",
-            min_level: 4,
-            max_level: 8,
+            min_level: 3,
+            max_level: 7,
             weight: 0.7,
 
             action: Heal,
@@ -343,7 +344,7 @@
             description: "Restore 25% of missing health.",
             background: "green",
             icon: "half_rest",
-            min_level: 6,
+            min_level: 5,
             max_level: 9,
             weight: 0.6,
 
diff --git a/src/game/card/deck.rs b/src/game/card/deck.rs
index f02763b..2f7fbf1 100644
--- a/src/game/card/deck.rs
+++ b/src/game/card/deck.rs
@@ -40,7 +40,7 @@ impl Deck {
             return None;
         }
 
-        self.active = (self.active + step).rem_euclid(self.card_keys.len() as isize);
+        self.active = (self.active.max(0) + step).rem_euclid(self.card_keys.len() as isize);
 
         Some(&self.card_keys[self.active as usize])
     }
@@ -51,7 +51,7 @@ impl Deck {
         }
 
         let old = self.active as usize;
-        self.active = (self.active + step).rem_euclid(self.card_keys.len() as isize);
+        self.active = (self.active.max(0) + step).rem_euclid(self.card_keys.len() as isize);
 
         if old < self.card_keys.len() {
             self.card_keys.swap(old, self.active as usize);
@@ -63,14 +63,16 @@ impl Deck {
             return;
         }
 
-        self.card_keys.remove(self.active as usize);
-        if self.active as usize >= self.card_keys.len() {
+        let idx = self.active.max(0) as usize;
+        self.card_keys.remove(idx);
+        if idx >= self.card_keys.len() {
             self.active = 0;
         }
     }
 
     pub fn add(&mut self, card_key: impl Into<String>) {
-        self.card_keys.insert(self.active as usize, card_key.into());
+        let idx = self.active.max(0) as usize;
+        self.card_keys.insert(idx, card_key.into());
     }
 }