Serpent (OA)

Rebuke or command snakes as an evil cleric rebukes or commands undead. Use this ability a total number of times per day equal to 3 + your Charisma modifier.

Special

When casting Animal Growth, or Animal Shapes as a Serpent Domain spell, only snakes are affected.
When casting Creeping Doom as a Serpent Domain spell, the swarm is composed of tiny snakes.