This sounds like a fun idea, but with all the efforts that have been made to get people to donate real money, this is probably against everything that staff have worked for, recently. That being said, giving someone randomly a free egg could create a higher demand for the eggs, so people will donate to buy the eggs that they suddenly want after seeing someone get a free one. Or maybe they'll says "I don't need to donate cause there's a 1 in 100K chance I get one for free :V" so it can really go either way. I suppose I support, but I don't expect to see this any tie in the near future.