Think of these cards like investing in fine art or vintage winesvalue grows as supply diminishes
The seasonal rewards for reaching mythic rank, while better than lower ranks, are not significantly greater
Certain Promotional cards can only be obtained by defeating specific opponents, completing specific events, trading with NPCs, winning the Challenge Hall, or Card Popping
Hearty Outlander and Raised by Giants are two options that are good for smashing faces, but the Gruul color identity cares a lot about utilizing combat triggers
We also know that we're going back to Ixalan this fall, although exactly what this trip to the plane will look like isn't exactly clear considering Mark Rosewater recently said that Lost Caverns of Ixalan is an "underground' set
Its still a game where it feels like you can never catch a break