The stranger
A fourth creature is waiting at the gate in a plain grey coat, so her colour gives nothing away, and her wires are hidden. When you have the measure of the three, let her in and read her.

Moth — wired to arrive Mouse — wired to flee Magpie — wired to charge ☼ your lamps (up to five; new ones replace the oldest) — click, or focus the stage and use the arrow keys and Enter