Can you do mitzvos in such a way that the merit for them will benefit other people? Can you designate them to receive the reward for your mitzvah in their mitzvah bank account, such that they receive more Divine favor? A friend of mine recently forwarded to me a request on behalf of someone who is tragically unwell. The community was requested to pray for his recovery, which is certainly a time-honored Jewish response. But there was also a request to do mitzvos on his behalf, as a merit for God to heal him. My friend wanted to know if there was any classical Jewish basis for this.