Illustrated by Mark Poole Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Not Legal Brawl Not Legal Legacy Not Legal Comp
There were many opinions that it would be better to change it to avoid confusion, but in the end, due to the release of many Demon support cards in Judgement of the Light, Daewon gave all of these cards an errata to However, since it took a while for the "Demon" errata to actually be reflected, cards released/printed before the errata are still full of "Demon"
The anime uses a slightly different card layout as well, likely due to not being finished as a result of the curse associated with them
Each system gives you a different way to think about how thick or heavy the paper is, but once you understand them, they are pretty straightforward
Black Auras for MTG serve a similar card-advantage role in black-heavy combo and control builds