In the primer I mentioned rituals, which are instants and sorceries that give you a one-time surge of mana
You might lose the land to hand, but exchanging it for repeatable ramp on a vehicle creature sure to get some good attacks seems worth it
Abilities like Reckless however, dont specify that you have to challenge a character to benefit from it, so a Reckless character could choose to challenge a location instead - or may be forced to
The most rare, and most valuable one is the three-color Neon Ink variant, which has a less than 1% chance of opening a Special Guest card at all, and an even smaller chance of opening this three-colored iteration.
It's especially popular in The Tenth Doctor decks where it works as a finisher, although it's hard to imagine a card like Worldfire ever being a Commander staple since the unwritten rules of the format discourage mass land destruction
Magic: the Gathering booster draft play experiences with new releases allows a player to keep up with the new mechanics that appear in the newest sets