Turns out i forgot to register the effect icons for the modifiers wit…

…h all the changes. ooops

src/main/java/tconstruct/library/tools/ToolCore.java

@@ -207,6 +207,8 @@ public void registerIcons (IIconRegister iconRegister)
         addIcons(accessoryStrings, accessoryIcons, iconRegister, getIconSuffix(3));
         addIcons(extraStrings, extraIcons, iconRegister, getIconSuffix(4));
 
+        addIcons(effectStrings, effectIcons, iconRegister, null);
+
         emptyIcon = iconRegister.registerIcon("tinker:blankface");
     }