Simple RAW thread for 3.5 #31. By now, your question has probably been answered.

[Andezzar]

A 55

Yes. Any spell you have mastered for a Standard Action or any spell for a Full Round Action.

N.B. casting times of exactly one round are also accelerated. One round is from the beginning of your turn to the beginning of your next turn. A Full Round Action only takes your current turn.