uncommon enchantment sorcerer 

Bloodline diabolic

Cast [>] verbal

Range 30 feet; Targets 1 willing living creature

Duration 1 round

You issue a diabolic edict, demanding the target perform a particular task and offering rewards for its fulfillment. It gains a +1 status bonus to attack rolls and skill checks related to performing the task. If it refuses to perform the task you proclaimed, it instead takes a –1 status penalty to all its attack rolls and skill checks.

Core Rulebook, page 403.