What it means is that theres no shadow on the box which borders the artwork, and it makes these cards more valuable than the later, shadowed versions
later, it becomes a potent finisher as it prevents your opponents from blocking and otherwise interferes with your plans
R spinoff manga, designed to oppose the Egyptian Gods, could also have this attribute, along with a new combined monster to match the Egyptian God's Holactie, the Creator of Light, and the Sacred Beast's Armityle the Chaos Phantom
Elves are the predominant creature used to represent greens color identity of harmony with nature and abundant growth, which gets reflected in the types mechanical identity that often produces mana and makes your elves better when you have more elves
I don't understand Konami's feelings