As the number of players grows, the number of Reserved List cards remain static (at best), and prices increase
Miara, Thorn of the Glade and Nadier, Agent of the Duskenel can help enable this strategy, and Prowess of the Fair is essential for any deck that plans to sacrifice elves
If you reveal it this way, you can cast it for its miracle cost rather than paying its mana cost
Plus, its spot removal tied to a good creature and good forbid if you Ephemerate it
It's not just always going to be the card beneath it
Aang, A Lot to Learn Aerith, Last Ancient Alenni, Brood Recruiter Alessos and Pras, Acrobats Aragorn and Arwen, Wed Aragorn, Company Leader Arahbo, Roar of the World Arwen, Mortal Queen Asmira, Holy Avenger Bast, Panther Goddess Bess, Soul Nourisher Black Panther, Vanguard Black Panther, Wakandan King Butterbur, Bree Innkeeper Byrke, Long Ear of the Law Cadira, Caller of the Small Calix, Guided by Fate Captain Sisay Captain Sisay Caradora, Heart of Alacria Catti-brie of Mithral Hall Chorus of the Conclave Danitha, New Benalia's Light Demera, Soul of a Spider Dr
