I think the concept of Exosisters, nuns that explore a seemingly post-apocalyptic world with magical girl-esque transformations to fight monsters (that also happen to be inspired in female only catholic schools with the trope of upper and underclassmen bonding with the "onee-samas" relationship with hints of Yuri) to be extremely near and interesting. However. Their card artwork has a massive issue for me.
A lot of them are drawn with nothing in their same plane, which is good as to not cover the important part, the character, but:
The buildings on the back look tiny, making them look gargantuan. Martha being added later doesn't help too much because her artwork barely has anything behind her as she's in some roof. None of them are supposed to look Kaiju sized as shown in other cards:
Of course, the exceptions to this issue are the younger ones, Sophia and Stella. But poor Sophia had her status as the shortest one of the group cemented even further as she's not only the one to have something next to her to compare her height properly, she's shown to not even be half as tall as a bookshelf: