For general financial gain. You can (and should) make up your own chant. Just remember, our spells traditionally rhyme and we DO NOT pray. Chant as if the financial gain was already on it's way. Thank the Goddess for her strength and support.
This is literally exactly the same as casting a curse. The three fold law is Wiccan dogma not a law of physics, so there is not bad karma for cursing. This is not even how karma works. Stop being holier then thou!