Prepare all spells in 15 minutes, one spell in 1 minute.
As a safe move action, transfer concentration of an illusion spell to Bémol. Increase that spell's DC by 1.
After you stop concentrating, your illusion spells last an extra 4 rounds .
As an unsafe standard action, make a ranged touch attack +8, 30ft. Target is blinded for 1 round, or dazzled if it had more than 8 HD.
As a safe swift action, become invisible, as greater invisibility.