Ancient Runes of Wizardry

Whenever you cast an instant or sorcery, if you didn't cast it from your hand, you may pay {1}. If you do, scry 1.
Exile Ancient Runes of Wizardry. You may cast an instant or sorcery from your hand or graveyard without paying its mana cost.
"It will give you answers, yes it does. But when you try to abuse it, all the knowledge will disappear."
- The Morrig -