The one mana counter for two-drops had fallen out of favor in Modern in recent years after being a staple a decade ago, but currently 40% of the top ten creatures in Modern are two-drops as cards like Drannith Magistrate (planeswalker stamp), Orcish Bowmasters, Amped Raptor, and Ajani, Nacatl Pariah see heavy play
Other Builds Jeleva, Nephalia's Scourge has a lot of flexibility as a value-oriented commander
And number two, how hard is the external criteria to meet
Town Cycle Theres a specific cycle in the Final Fantasy set that I call the Adventure Town cycle
Lands you control enter the battlefield untapped
Graven Cairns, for instance, was just re-released in Duskmourn, while Flooded Grove has been printed into the ground, with recent appearances in Thunder Junction, Bloomburrow, Duskmourn, and Tarkir: Dragonstorm