Here's a list of all the power-ups in Super Mario Wonder and our take on which of the forms is the best overall.
Ranked a bunch of Mario power-ups! Thoughts? : r/Mario
What's the BEST Power Up in Super Mario Bros. Wonder?
Super Mario Maker 2 - Super Mario Wiki, the Mario encyclopedia
Super Mario 3D World - Wikipedia
Mario's Most Powerful Power-Ups, Ranked
New Super Mario Bros: Most Up-to-Date Encyclopedia, News & Reviews
What's the Best Power-Up in Mario Wonder?
Super Mario Bros. Wonder - All Power-Ups & Transformations
Super Mario Odyssey, Ultimate Pop Culture Wiki
Mario Forever GBA Beetroot/Lui powerups by chewace on DeviantArt
Super Mario 64, MarioWiki