The cards been reprinted several times since it debuted, all with the same art, so mistake or not it seems that Wizards is fine with letting it ride
Until your next turn, it cant attack or block, and its activated abilities cant be activated
Instant speed removal works best against creature lands
In addition to the full-color and Inked versions, each Bonus Card also has a sketched version with even less detail
Prismaris ability is especially powerful, allowing you to tap Treasure tokens for mana and then sacrifice them to Breya, Etherium Shaper on the same turn
Mostly Standard though maybe Pioneer as well where being non-legendary lets you run multiple copies, and yes, its abilities do stack