Harmonize is one of the most popular single use card draw spells in green, and for good reason
Since we're in the midst of prerelease season for Guilds of Ravnica, I've been doing the same things that you probably are: inhaling preview cards on the Intarwebs, reading through set descriptions and reviews, and trying to figure out which guild you're going to play or which card you really want to open (note: it's Assassin's Trophy...that card is gas, kids)
This means that there wont be any copies of Ancestral Recall printed ever, and nothing that is printed can be a stronger version of what this card does
Somehow Phyrexian Tower managed to dodge the many, many waves of leaks that hit during the run-up to MH3 previews, meaning its debut last Friday was just as impactful as Wizards intended
This becomes a powerful superpower for here, and that development is reflected in this card
Usual sets have 101 commons, and Baldurs Gate hits a higher mark at 141