Using ThreadWeavingMagic without a [Spell Matrix] or a [Grimore]. Using RitualPsychicMagic under any circumstance that we know of. 

Raw Magic may result in gaining [Taint] depending on the local level of [Horror] corruption. This value varies greatly by the level of corruption and the power and energy of the [Magic] effect.

Using a [Talent] is [Magic] but not Raw Magic.