More move scripts

Plugins/PkmnLib.Plugin.Gen7/Scripts/Moves/RagePowder.cs

@@ -13,6 +13,12 @@ public class RagePowder : Script
             return;
 
         var effect = battleData.BattleSide.VolatileScripts.Add(new RagePowderEffect(move.User));
+        if (effect == null)
+        {
+            move.GetHitData(target, hit).Fail();
+            return;
+        }
+
         ((RagePowderEffect)effect.Script!).User = move.User;
     }
 }