As title descrbes to add an option to convert Scroll of Deception to Scroll of Illision,for example 5 or 10 Scrolls of Deception to 1 Scroll of Illision.Convert could be done via website or in-game( by adding a npc for ex in Stormwind at the King Keep and likewise on Orgrimmar,or adding it as option at some unique npc-like the experience lock npc on the respective cities),if it does not cause any in-game issues.
