Thanks to Stain the Mind and Infinite Obliteration, we have already seen similar mechanics to Denied
It doesn't destroy anything, so it's kinda sorta less effective than Demolition Field, but is also more inherently card advantageous than Volatile Fault
Many of the mechanical warts of the game are still there and compared to modern CCGs, MTG certainly shows its age
As written, you can cast cards anyone plundered if your plunder value is high enough, but it would be easy to limit everyone to their own plunder stack
I personally really like Thoughtseize because it always feels great to be in control and trade your one-mana spell against some big threat of your counterpart
Youd probably want to run the following 9 sheets: 1, 5, 12, 13, 18, 23, 30, 36, and 45