Like most Pokmon cards, the value of Dhelmise V depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Sword & Shield)
Enel is moving the other direction because initial supply was absorbed faster than expected
Hedron Detonator is another Reckless Fireweaver variant that can turn artifact loops into wins, and Pain Distributor punishes excessive Treasure use by your opponents, which is weird considering Sardian Avenger was printed not that long ago
Note: There are many different approaches to organizing a collection and this is just my personal process
Using it to play your Sol Ring nets you a mana boost at the same time it earns you more energy
It was the ineffectiveness of the midgame Edict that was holding them back but being able to cleanly clear out the chaffy small dorks helps the Edict cards remain viable cube tools