She has no drawbacks at all and is a perfectly reasonable body for the mana cost should you never be able to invest mana into her abilities
If such a spell is in a players hand, she is actually playing with one less card until the moment comes when it can be used to speed up victory
Outside of token and squirrel decks, this is probably the weakest mode, but with synergies it can be just as strong as the others depending on the payoffs
MTG Duskmourn: House of Horror Commander Deck
The card only shows up in 2500 EDH decks at present, but the number should likely be higher, and the land untap effect is unique and provides open ended synergies with future cards that will be printed without considering its presence in casual metas
When the chosen players hands arent touching each other, sacrifice this enchantment and that player sacrifices three permanents