Nasty trio of Charm options, and one of the key things to add to multiplayer decks is utility and with three options, all of which are strong, this is heavily worth the spot in your 100 size Commander deck
Why not use the Maelstrom Wanderer as the commander instead
So if youre running Elsa, Peter Pan, or Tinkerbell in your amethyst deck, theres potential discounts for the 8-cost Elsa Spirit of Winter or even the new team Peter Pan & Tinkerbell Fast Friends
MDFCs and MDFC lands typically do not transform to the other side, though Spider-Man introduced cards that can be played on either side and have the capability to transform
Unsurprisingly, the card has never been particularly expensive because of this, often selling for around $1.80 on average