https://www.sageadvice.eu/proposed-mechanic-for-arcane-spellcasting-eschew-material-verbal-and-or-somatic-components-at-a-cost-of-d4-psychic-damage-per-type-per-level/
Proposed mechanic for arcane spellcasting: eschew material, verbal, and/or somatic components at a cost of d4 psychic damage per type per level