Well, of course they'll be poisoned! How else would I gauge the efficacy of your work? - Severian

Deimos

Summon your Deimos minion. An entity born of the poison-wielding familiar Phobos. That's the green one.

This peculiar entity appears to have manifested from Phobos, the poison-wielding familiar that served among the collective of three that controlled the weather on the Occult Crescent. Though its sense of propriety has faded over the course of long years, in this diminutive state, it should largely be harmless.