Related Clues:

• Magic formula
• Wicked spell
• How one gets the letters of sorcery
• The magical way one deals with 21 across
• Does it need a 18 down to make them work?
• What a literate wizard must learn to cast
• One gets letters and casts them
• Of use to the magician if he can do this with the letters
• How one gets letters from the sorcerer
• The way the witch shows she's literate enough for this
• What one does with the letters in 17 across
• Cast by the sorcerer, and what he does if he's eductated enough
• May be cast by letter
• The witch is literate enough for them
• Get the letters for the witches