diff --git a/pk3DS.Core/Legality/Legal.cs b/pk3DS.Core/Legality/Legal.cs
index e51489e..b8d93f9 100644
--- a/pk3DS.Core/Legality/Legal.cs
+++ b/pk3DS.Core/Legality/Legal.cs
@@ -225,6 +225,7 @@ public static partial class Legal
             622, 623, 624, 625, 626, 627, 628, 629, 630, 631, 632, 633, 634, 635, 636, 637, 638, 639, 640, 641, 642, 643, 644, 645, 646, 647, 648, 649, 650, 651, 652, 653, 654, 655, 656, 657, 658,
             695, 696, 697, 698, 699, 700, 701, 702, 703,
             719,
+            723, 724, 725, 726, 727, 728
         };
     }
 }
diff --git a/pk3DS.Core/Randomizers/SpeciesRandomizer.cs b/pk3DS.Core/Randomizers/SpeciesRandomizer.cs
index 429dfbc..af7f908 100644
--- a/pk3DS.Core/Randomizers/SpeciesRandomizer.cs
+++ b/pk3DS.Core/Randomizers/SpeciesRandomizer.cs
@@ -193,6 +193,13 @@ private void AddGen7Species(List<int> list)
             list.AddRange(Enumerable.Range(722, 67));
             if (L) list.AddRange(Enumerable.Range(785, 16)); // Tapus, Legends, UBs
             if (E) list.AddRange(Enumerable.Range(801, 2)); // Magearna, Marshadow
+
+            if (MaxSpeciesID == 807) // USUM
+            {
+                if (L) list.AddRange(Enumerable.Range(803, 4)); // USUM UBs
+                if (E) list.AddRange(Enumerable.Range(807, 1)); // Zeraora
+            }
+
         }
 
         public int[] RandomSpeciesList => Enumerable.Range(1, MaxSpeciesID).ToArray();