While its definitely helpful to have access to the rarer cards in a deck, its also fully possible to play a competitive deck without Legendary cards and just a few Rare and Super Rare
Of course, it does have the big drawback of letting your opponent draw 2, but situationally this isnt the worst see Prince Johns Mirror below
Evasive can be a difficult keyword to deal with, and this Genie is not only evasive with four Willpower to survive other evasive characters, but he also has the added benefit of doing what Amethsy does best, giving you more cards
These double-faced cards promise everything from "representations of your favorite characters to fun minigames and story moments across the series." So, be sure to keep an eye out for these as more MTG Final Fantasy spoilers emerge
In the popular Amethyst/Emerald deck it lets you pull off a nice little trick with The Queens Castle Mirror Chamber, as you can choose to move a character to castle first, then resolve the lore and draw