You cant expect this to be sustainable because your opponents will interact, but it can create a huge burst of counters to make a lethal board state from nothing, especially if you sink mana from lands into Bill first
Before the end of that decade I had amassed a pretty impressive Pokemon error collection
I plan on playing her too, but I do find her aggressively boring, and I hope we don't see a 10th Enchantress card any time soon unless it actually does something different and isn't just like "Satyr Enchanter but strictly better in all ways," ya know
it's good enough that you could play it in a non-Elemental deck if you wanted to, but restricted enough that you're not just ignoring large pieces of text on the card to windmill slam a bomb into your 99
If you do, shuffle your deck
Still, not all are built equally