There are 45 of these Stellar Sights cards available, and they only appear in one out of every eight play boosters, which is much rarer than we're used to for these bonus sheets
Stacking land destruction (exiling even) on top of that is fairly nasty, though that's 6 mana, which is a lot

Most valuable cards in Tales of Middle-earth Commander View the full price guide $1,799.99 Rings of Brighthearth Tales of Middle-earth Commander $1,500.00 Castle Ardenvale Tales of Middle-earth Commander $1,417.63 Sol Ring Tales of Middle-earth Commander $1,352.76 Sol Ring Tales of Middle-earth Commander $1,226.25 Cloudstone Curio Tales of Middle-earth Commander $1,000.00 Homeward Path Tales of Middle-earth Commander $999.99 Deserted Temple Tales of Middle-earth Commander $949.69 Thorn of Amethyst Tales of Middle-earth Commander More cards by Christina Kraus $362.82 Endurance Secret Lair Drop $64.70 Ashcoat of the Shadow Swarm Jumpstart 2022 $25.51 Preston, the Vanisher Jumpstart 2022 $18.02 Stormchaser's Talent Bloomburrow Promos $15.84 Stormchaser's Talent Bloomburrow Promos $12.99 Stormchaser's Talent Bloomburrow $12.19 Rampaging Yao Guai Fallout $7.76 The Infamous Cruelclaw Bloomburrow Promos SetTales of Middle-earth Commander Most valuableTop 100 Magic: The Gathering cards You might also like...

This widespread play, combined with the cards limited availability, has pushed it into the $20 range on the secondary market
It copies all triggered abilities of the chosen creature type, not just ETBs, which opens up so many more interactions than the average Panharmonicon effect
A bigger magic deck can dilute your best cards, which reduces your chances of drawing them at the right time