Marlowe domain.

Granted power Once per day, you may cast a spell while concentrating on another spell without breaking concentration. If the second spell also requires concentration, you can also concentrate on it for 1 round per charisma bonus.

1 Silent image
2 Mirror image
3 Visage of the deity lesser
4 Planar ally lesser
5 Planar ally
6 Visage of the deity
7 Veil
8 Planar ally greater
9 Visage of the deity greater

Marlowe devotion

Benefit Once per day, you may cast a spell that has a casting time of a standard action or less, as an immediate action.