Definitely jump on clouds. Rainbows end in like a 1000 ft vertical drop man…

I’m not sure how I’d get up there either way

Clouds. Messing with optical properties of the universe has far greater consequences in physics. Don't ask what. I do not recall more than simply seeing someone respond to a similar thing and talk about all the implications of altering... I think it was an atheist thing where someone was proving the universe could not exist if optical properties changed "after the flood" like the mythical nonsense in the bible. I just remember thinking, yup, never gonna mess with that shit... So clouds... Can I be Eros?

Clouds, 100%, I'll be able to travel anywhere, until I get to a pressure or temperature gradient. Just hang out until the next batch shows up. Every remote tropical beach shall be mine.

Yes

I would say rainbows because light is refracting/diffracting everywhere so you would have continuous access to sliding but then I don't want to slide, I want to jump.

what counts as a rainbow and what counts as a cloud?