could you not also have Balustrade Spy in the deck just to make it a little easier to combo off or to survive past something like Pithing Needle? also, you could side it against someone who knows the deck and is running Meddling Mage. It would increase the mana needed to combo, but it at least offers a chance against anything that would stop Undercity Informer.

Meddling Mage is not an activated ability. Balustrade Spy seems interesting, I will see if I can stick that in

You are a god crow. I am building this to play at the cardshop for our casual commander on sundays and I will be become MAGIC MCMASTER!!! ALL HAIL THE GOD CROW.