Hello,
Looks like the Assassin's Creed Art Cards are missing
https://www.tcgplayer.com/search/magic/ … ;view=grid
There was also some missing LOTR Art cards. For example its not distinguishing between gold stamped signature varients and not
https://deckbox.org/mtg/Art%20Card%3A%2 … mp;lang=us
https://www.tcgplayer.com/search/magic/ … ;view=grid