As for the main drawback of MDFCs (coming into play tapped), it is a concern, but not a huge one
Three mana is a tad on the expensive side given that you also need to pay the cost of the spell you flashback, but its still doable
And if thats not enough for you, its designed to take cards in their own protective plastic slabs and theres also a padlock ring so you can lock things down even tighter with added layers of your own security
While collectors still see these Gold Hyper Rare Energies and Trainers as the worst style of Secret Rare to pull, many competitive players see these as a way to flex during gameplay
She's also in the color of haste enablers in red so she can easily tap the turn you drop her to lose that life and cast some stuff for cheap
(Also, Loxodons are cool.) In Orzhov, Minthara, Merciless SoulMinthara, Merciless Soul acts as an anthem effect, and since we want to be sacrificing lands every turn, our experience counters will grow accordingly