The Nimbus Maze cycle is more interesting and is probably on balance a tiny bit better than the Check lands due to always being untapped and having colourless options
This is flat-out good, and if you have a single trigger you're relying on, the going rate is already ~3 for a single repetition via Spell, with this breaking parity by its second use
The four decks coming back are "Devour for Power" (helmed by The Mimeoplasm), "Built from Scratch" (the Daretti, Scrap Savant deck), "Wade into Battle" (with Kalemne, Disciple of Iroas leading the charge), and "Breed Lethality" (with everyone's favorite proliferator, Atraxa, Praetors' Voice)
Even if you untap with some removal, it needs to be powerful enough to deal with large creatures and cheap enough to let you stabilize what is undoubtedly a lopsided battlefield before you die
One version features humans, the other two feature elves and dwarves, and Wizards is releasing each with a very specific number of printings