You won't find value in it every game, especially if you're effectively controlling the board with all of your direct damage tools, but if you find it at just the right time you can gain a two, three, or even four lore instantly, which is often enough to close out a match in a deck like this
Emet-Selch, Ascian (Krrik, Son of Yawgmoth) When optimized to a cEDH level, K'rrik, Son of Yawgmoth can win as early as turn 1
Tron Lands The Tron lands, Urza's Tower, Urza's Power Plant, and Urza's Mine are pretty pants on their own, but they're strong when you use their powers combined (much like Voltron which, believe it not, is where this trio of lands gets its nickname)
Final Thoughts Remember the thrill of opening the packs of Pokmon cards as a kid and discovering rare treasures
Im staying away until the fall spoilers start to roll in
Similar to the Stranger Things Secret Lair , we now know what bonus cards come with the Arcane version