Cards where an individual face design extends to the edge are known as "uncommon bleed," and more traditional black borders, as in this case, are "common bleed." Each style of design requires a different setup and cutting tools, so any time we build a new frame design, we evaluate it for production technique before moving on to further stages
Unfortunately, those points decrease as you go further down the pile
Though its physical appearance is definitely a factor in its price, the value of its effect is another reason why it's so sought after
It's easy
You want to get Samwise Gamgee on the battlefield as soon as possible , as the deck wants to generate as many Food tokens as you can
Many legendary cards have higher costs to compensate for their stronger abilities, so Kethis giving you a flat one generic mana less cost for them helps get you in the game faster