After the rise in Commander's popularity, competitive players started leveraging the Enchantment as a way to draw extra cards in the early game, while opponents deployed all their mana rocks and ramping spells
If you discard, youre rummaging, which itself isnt a bad effect, and if you have an expendable artifact it will feel more like youre netting a card
Many of them are from the Fallout precon, such as Craig Boone, Novac Guard, which is also an underrated commander, Duchess, Wayward Tavernkeep, Overseer of Vault 76, Sierra, Nukas Biggest Fan and ED-E, Lonesome Eyebot
That might be what breaks this card in counters decks, even with all of the other versions of this effect available
Play your Dragon (usually with a cost of six or more), give it haste, and swing