If you cast it, you can't cast any other spells this turn, even if another effect would allow you to
That means players going into local game stores regularly may have a bit more of a chance to get the cards they need.
DArgenio writes at Escapist Magazine, others have suggested cutting down the data to just one card type at a time, such as creatures, which should help the network recognize patterns and even flavor among them
In general, Allies are creatures that benefit or are benefited by other Allies
Their spoiler card is a reprint of Turn Aside, which for one blue mana counters target spell that targets a permanent owned by the caster
Zur the Enchanter Being a tutor for Necropotence on a stick was once enough for Zur the Enchanter to be a reasonable cEDH choice, but that time has passed in the meta