Simultaneously generating mana via a land untap and protecting itself by untapping a creature gives it a lot of game
Take a look under the hood Her first +1 ability is just awesome
(Melds with Vanille, Cheerful l'Cie.) P/T Number 526 Language Legal Formats Alchemy, Brawl, Commander, Competitive Brawl, Historic, Legacy, Modern, Pioneer, Standard, Timeless, Vintage Rulings (6/6/2025) If multiple cards leave your graveyard at the same time, Fang's ability will trigger only once
If you have items you want back in your hand, Tamatoa can fetch two of them from the discard when you play it
Yes, I know that Unholy Annex // Ritual Chamber is a full 25% of the deck's $40 budget, but it's also the best Demon card in Standard by far, so it's worth splurging a bit