Its extreme value stems from a perfect storm of competitive necessity and emotional nostalgia
While Krosa was devastated by one of Dominaria's many apocalypses, Baru and his fellow druids worked diligently to restore the region and return the forest to its former glory
This is easily one of the best lands in the game, and if you equip Dowsing Dagger to an evasive creature, its easy to get out too
it works with token doublers and flicker effects, which white has in abundance
The discard option works particularly well in Reanimator, Madness, and other graveyard-focused strategies, but the Artifact option is what gives Demand Answers its real flexibility
The Crystals depicted on the MTG crossover cards are specifically from Final Fantasy III , which featured a timeline where the four elemental crystals all had dark counterparts (represented solely by The Darkness Crystal)