It's an odd compromise that represents how the shows earthbenders weaponize the very ground beneath them, even if they don't actually do so by making independent creatures out of dirt or stone
If youre interested in seeing the previous Top 20 lists and the cards I was right or wrong about, you can find them here: The Top 20 Standard Cards from Aether Revolt The Top 20 Standard Cards from Kaladesh The Top 20 Standard Cards from Eldritch Moon Like in the previous lists, the cycle of rare dual lands wont show up here
If you want the short version: the London mulligan homogenizes game play, promotes mulligans in ways that further push this, and trades "non-games" where someone doesn't take actions with "one note games" where someone takes exactly two or three actions and the other person either answers them and instantly wins or misses and instantly loses
This is a very real payoff for a towns deck, and if that deck is good, this sorcery is bound to be one of the reasons why
it works with the first level's exile ability but also effects like flashback and unearth
For example, I see a lot of Five Color Commander decks that run a lot of sweeping removal and indestructible dorks for defense and survival that dont run this
