Find the Flaw 2014

1st-level divination

Casting time: 1 action
Range: Touch
Components: V, S, M
Duration: instantaneous
Classes: Bard, Warlock, Wizard

Deep Magic: clockwork You touch one creature. The next attack roll that creature makes against a clockwork or metal construct, or any machine, is a critical hit.

Source: Deep Magic Extended (Kobold Press) · License: OPEN GAME LICENSE Version 1.0a details