The Elite Trainer Box features Iron Leaves as the full-art promo as well as being the showcase Pokemon on the 65 sleeves you get with the Elite Trainer Box, too
I promise people at your table will take Svogthos seriously after the first time it kills them
Life Insurance Even more niche, even more crackable, Life Insurance gives you Treasures instead, which is nice in a fair deck, better in aristocrats, and it goes infinite with a variety of combos, like say, Ashnod's Altar with something like Reassembling Skeleton and Falkenrath Noble
Being able to play it as a creature board wipe in the late game when you don't need more lands is awesome, provided that you have a legendary artifact on hand to sacrifice
Turnaround Time The entire process takes approximately 45 business days from the time the cards arrive at TAGs facility