Green Sun's Zenith Green Sun's Zenith is one of the stranger cards on the Modern banned list, mostly because, at least to some extent, it finds itself in Modern jail not because it's too powerful on its own but because of the weirdness of a certain land from Future Sight : Dryad Arbor
(6/16/2023) Lands are never cast, so abilities that trigger "whenever you cast a historic spell" won't trigger if you play a legendary land
Accessibility is another pillar: scalable text, high-contrast themes, and voice-friendly labeling open the door to more players
Izzet Signet makes a blue and a red, Orzhov Signet makes a white and a black, and so on
And then finally we have green, with many divination methods used by Oracles and Seers throughout other cultures, often utilizing nature in some way