Even if it doesn't hold a spot as one of the most expensive Pokmon cards, the adorable little and simply drawn face has mesmerized me since I first got into the games as a wee lad, and while I never kept it as a member of my main party, I was always happy to see it out in the wild
Sure, you have more cards to choose from if you go with more colours, but you also complicate your mana base
Maybe use it as a deterrent and encourage players to attack each other instead of you
Its power drops off sharply in multicolor decks, where it essentially becomes part of a 2-card combo with Urborg, Tomb of Yawgmoth
The main rule of Commander is that players have to select a Legendary creature to be the face of their deck, which determines its color identity, and then 99 cards to accompany this commander in order to create a given gameplay loop
I just played against a zinnia deck that runs oracle of the alpha and wins with battle of wits and oh my god I am so reenergized about magic right now gods I fkin love this game