While they aren't the most valuable cards in the Pokemon TCG, some of the best Kyurem cards offer incredible designs that pop
King TChalla, much like Black Widow (above), gets you card draw as your opponents draw cards, which is always welcome (were all about Panther parity here)
Now to be fair to auras specifically and enchantments generally, there are commonly played Archetypes that run them (Voltron for auras to pump up a Commander, Enchantress enchantment heavy archetypes that have been around since Alpha)
While this may be a small change, the color of cards is obviously hugely important in MTG, even with Fetch Lands versatility
Given the number of enters abilities and activated abilities were getting, you should be able to build a somewhat viable deck that relies on its creatures for everything
There is an opportunity to get up to two non-foil showcase stained-glass legendary creatures of rarity rare or better