Return of the Crusader

When Cataclysm arrived, Crusader enchant formula was removed from all mob's drops and the item's price skyrocketed. A short while ago Crusader enchant formula was reintroduced to the game and it again drops from the Scarlet Archmagi in Tyr's Hand, Eastern Plaguelands. But not from Spellbinders this time, or at least I haven't seen them drop yet.Since 4.1 I've already sold 3 formulas for a total