Extra Items
If you have a Shade, Efreet, Dytto, or Bow Call, drop it and fire your "Light Ball" at it. (Make sure it is a direct hit.) Viola! You now have the spirit you summoned, but an extra item:the List.
Dytto: Max HP ham
Efreet: 20 Omega Sword
Shade: Heart
Bow: Elixir