Oppressive in all constructed formats, the best limited card you could have, and of course a top pick cube card too
Make sure to lock it away in a special place to avoid any chance of this being stolen
I was looking for a list of all the possible Tiny Leaders a person could use (so legendary 3 mana value or less creature cards that could serve as a commander in a game that uses commanders) and these are the cards I could not find if I searched by color identity or if once I found them they didn't fit their color identity (in all cases they show up under a single color category instead of 'gold')

$1.29 Raise the Past Foundations $3.99 Ascend from Avernus Commander Legends: Battle for Baldur's Gate $0.35 Drogskol Captain Dark Ascension $0.35 Clarion Spirit Kaldheim $0.49 Banon, the Returners' Leader Final Fantasy Commander Decks $1.29 Katilda, Dawnhart Martyr Innistrad: Crimson Vow $0.39 Helpful Hunter Foundations $0.99 Kami of False Hope Betrayers of Kamigawa $0.49 Shineshadow Snarl Final Fantasy Commander Decks $1.49 Haunted Library Innistrad: Crimson Vow Commander Decks $1.29 Rumor Gatherer Streets of New Capenna $0.79 Selfless Spirit Secrets of Strixhaven Commander Decks 0 results found
Note that when his card is played a 4/1 green token representing his familiar, Guenhwyvar, also comes into play
He tired of his fellow researchers and their useless prattling, so he decided to make a network of scholars with whom he could carry a conversation