This is a hard rule, not a preference
Suddenly Evolving Wilds is a better Prismatic Vista, and Path of Ancestry is a better Command Tower
"The most popular theory for why faded cards exist is that the magenta color ran low and produced cards which lacked appropriate saturation levels." These cards command a premium in the secondary market as they are harder to find, grade, and are sometimes rejected completely
In the story , in a duel with Ed Phoenix, Amon sacrifices his lover Echo and gains the power of Exodia through the ultimate seal release ritual using the ultimate seal god Exodios
This card, Obliterate, would benefit a deck that aims to control the board and disrupt the opponent's strategy by wiping out all artifacts, creatures, and lands