This is probably because it's part of a very distinctive archetype and has a somewhat unique color combination, which means unusual cards that were very cheap beforehand now have a niche
The main rule of Commander is that players have to select a Legendary creature to be the face of their deck, which determines its color identity, and then 99 cards to accompany this commander in order to create a given gameplay loop
Wedding Ring Wedding Ring is a cute single-person-hug artifact that gives you and another player some unique bonuses
However, this will most likely carve and damage the material, and thus affect the stiffness, balance and transparency characteristics
While it may at first seem cute or a bit janky, I think Pramikon is one of the more solid legends to come out of Commander 2019
I feel like they managed to do something new ish with zombies here, which is hard to do, and I dont see a lot of merit to the energy deck outside of further supporting the other 2024 energy precons