This is perplexing to say the least, especially given the fact that these cards seem underpowered relative to other straight-to-Modern sets, such as Modern Horizons
That being said, I think if you want to invest into MH2 you have to first buy the right product and second you have to be in it for the long haul (were talking many years.) This is definitely not a get rich quick scheme by no means
Slot #15: Non-Playable Slot This slot can have a variety of possibilities
Enchanted cards use an inkwash foil that shifts through multiple colors when you tilt the card
Revival Trance has a solid reanimation theme that synergizes with Cyan, but remember that its +1/+1 counter-adding ability would also work with any method of undoing a creature's internment, like PurgatoryPurgatory, for example
Seeing as I'm Still Here is the kind of song that's very rebel-with-a-cause, that theming works nicely