Complete Daily Missions : Earn extra rewards to enhance your deck and stay competitive
In the recent weekly MTG Arena Announcements post, Wizards explained their reasoning for this decision
Each card has sentimental value to someone: where they got it, the deck it was a part of, that time you used it to battle so-and-so a lot of people tend to hang onto them because of the memories
If you have been reading so far, you wont find it surprising that I think gauntlet size is trivial
From there, the art directors found ways to visually embody this, while the narrative designers considered the worlds, characters, and moments that would express the goals
2003's Blue-Eyes Ultimate Dragon from the Structure Deck: Deluxe Set was misprinted as a Fusion Monster with an effect, rather than as a normal Fusion Monster