It doesnt do anything for two turns, which is a hefty downside, but since its a 1-drop that shouldnt be too bad
And that's before we even touch on the potential of scalping and price gouging issues that, judging by the rate at which MTG Final Fantasy's pre-orders sold out, players should be vigilant about
The main problem is that this card does not grant any additional, passive lore, which I think is the strongest pull of the Location cards in general
Sapphire cards work in tandem with each other and other cards, often being played on top of cards, or alongside cards to give players that extra oomph when challenging or defending
If The Darkness Crystal leaves the battlefield at the same time as one or more nontoken creatures an opponent controls would die, those creature cards will be exiled and you'll gain 2 life for each of them