Two-mana rocks are heavily sought after among Commander players, as while modern-design is certainly improving three-mana rocks (Wand of the Worldsoul, Cursed Mirror, etc.), having access to ramp a full turn earlier is incredibly valuable for setting up an early game's foundation
However, given that even cards from just a few years ago are no longer tournament legal, of course the value of these cards is in their nostalgia and, especially with shadowless cards, their unique, rarer, visual style
The nostalgia factor does much of the heavy lifting as far as this CHR cards value is concerned as it features Red, the first-ever protagonist of the Pokmon video games
Every so often, another player's pack will show up, and players get to randomly unlock a card from it
Pro Tip: Struggling to tune your deck
Then 6ED came along and changed the instances of cast to play