Eschew Materials( Lords of Darkness, p. 189)
You can cast spells without material components.
Any other metamagic feat.,
A spell cast with Eschew Materials can be cast with no material components. Spells without material components are not affected. Spells with material components having a cost of more than 1 gp are not affected. An eschewed spell uses up a spell slot zero levels higher than the spell's actual level (the same level as the original spell).
This feat originally appeared in Tome and Blood.