The second problem is that consumer faith in Wizards would be majorly shaken should twenty years worth of cards suddenly become worthless
Of course, you can also just make sure that even destroying your own stuff is to your advantage if you want to, or just play it to an empty board on your side
This also counts as every basic land type for domain effects or Cabal Coffers
The first card combines Urza, Lord Protector and The Mightstone and Weakstone
As much as those who have invested in the card may hold for maximum value, that doesnt stop others from selling
The main constraints here are as follows: No mass land denial or extra turns, no two card infinite combos, no cards from the Game Changers list, and only a few cards that search your deck for other specific cards (Tutors)