The most expensive MTG cards come from the Alpha set with black border
Instead, The Brothers War has modern limited tech with some choices (like no vehicles), made to help further evoke Magics past
Some things that may draw you into specific colors are: A really strong rare you're excited about Plenty of "removal" cards that can deal with your opponent's creatures A lot of playable cards in that color A good "mana curve" in that colormeaning lots of creatures of different costs Ideally, the colors you pick will have all four, but if two or three of those are true, that's plenty good
Instead, if Rally the Ancestors or Collected Company decks do end up being too good, I expect those namesake cards to get hit due to the risks created by cards like these in non-rotating formats where every new creature printed has the risk of making those cards broken all over again
Collectors of high-end mythics chase this version as a crown jewel from the set
(By the way, it seems like theres some truly wild stuff you can pull off with Chanseys Lucky Bonus ability if you actually use it in your deck.) Also, hey: its worth shouting out TPCis graphic design team this time