yugioh legacy of the duelist exodia deck Yami Yugi Obliterate - How to build a coherent

I want to make Pauper legality make sense and be consistent so it can be played the next 50 years without dying in a complicated morass of no one knowing exactly what's legal in the format because it's based on random decisions made for an online program created in 2002

Some legendary creatures in this set, however, have an ability that allows them to start the game with a Background in the command zone

This means that, if one of your opponents has no other permanents, theyre forced to sacrifice a land

The amount of life you gain from extort is based on the total amount of life lost, not necessarily the number of opponents you have