Ally wavelands onto Dreamland

https://clips.twitch.tv/smashstudios/ImportantHyenaBuddhaBar

Waveland happens within the first 5 seconds of the clip. Can somebody explain how he does this? I understand that he jumps and then airdodges (and that the waveland was probably accidental) but when I tried this, mine aren't as crispy.

Is it a timing thing or do I need to hold a certain direction while airdodging?

I tested it out and (assuming you can do the correct inputs) Villager can do this if they use their Lloid Rocket, Fox if you time your shine correctly and change directions mid-shine, and multi-jump characters because they can change the direction they face when they jump.

This is just from letting go of the ledge. If you jump off the ledge, the same principle would apply as it would multi-jump characters.

Thoughts? Lemme know if you can replicate this.