Madison Li Efficient Construction Embersmith Forensic Gadgeteer Golem Foundry Iron Man, Bleeding Edge Jin-Gitaxias, Progress Tyrant Lifesmith Lux Artillery Mendicant Core, Guidelight Mirran Spy Mirrodin Besieged Mishra, Artificer Prodigy Myrsmith Painsmith Patchwork Automaton Pinnacle Emissary Poetic Ingenuity Ravenous Robots Riddlesmith Sai, Master Thopterist Sokka, Bold Boomeranger T'Challa, the Black Panther Uthros Research Craft Vedalken Archmage Zuri, Warrior of Wakanda
Ydwen Efreet is not officially Reserved, but its the only non-RL Arabian Nights rare to never see a second printing during the subsequent 30 years
Its possible to control a nontoken Army (perhaps a creature with the changeling ability) and, through combinations of other cards, its possible to control multiple Army tokens
Tamanoa gains you life whenever one of your non-creature sources deals damage meaning burn spells, pingers, and even board wipes can turn into huge life swings
Thanks to your interest in commons, you can't leave today without learning about the Pauper format which is all about commons, and thankfully not many of the format's highly-played cards made it to this ranking