It can declare rulings on any in-game circumstance, issue errata, change card text after publishing, and change the basic game rules, although the latter three rarely occur
Which brings us to what Lorcana is really about: its a family game, pure and simple
The TOP White burn spell in Commander has to be Comeuppance
When that life total hits 0, your team loses
I will say, its definitely weird getting used to the concept of eternal-legal cards in an Un -set, granted, Un -sets are supposed to be weird, wild, and new
There have been a lot of super shady cards released for promotions, with a range of special effects, but this one is definitely up there with the strangest