It's been claimed that the spell was invented by a sorcerer called Aegis the Magus. But that would be quite the etymological coincidence.
How to Obtain
|Basic Packs||Advanced Packs|
|Special Pack||Sale Item / Chest|
|Win From Battle Only||Specific Crafting|
|Temporarily From A Card|
Used in CraftingEdit
|Crafting Item||Number Needed|