In theory, it gives players something to do with card duplicates , and adds a neat visual aesthetic to the cards when they're displayed in a binder or being played in a battle
Elite Fourum Black and White Full Art Tier List General Troy April 25, 2023, 11:39pm 1 Fill it out TierMaker Create a Pokemon Black and White Full Art Cards Tier List All Full Art cards released during the Black and White era image11401266 192 KB 5 Likes zork April 25, 2023, 11:58pm 2 my-image1140917 151 KB Most of these full art EXs look amazing in person, but I have a soft spot for the Mew EX 4 Likes mthursty April 26, 2023, 12:15am 3 my-image (1)11401035 188 KB 1 Like cyberurchin April 26, 2023, 12:26am 4 image9501149 1.52 MB 1 Like Quuador April 26, 2023, 4:29pm 5 x Black &
While Illustration Rares technically originated with the Scarlet & Violet expansion, one could argue that the Galarian Gallery cards from S word & Shield - Crown Zenith are effectively Illustration Rares, arguably making them the unofficial origin of this rarity
The Seismitoad Illustration Rare from the Black Bolt set, illustrated by Shinji Kanda, has three vines hanging in the upper right of the artwork that look like the number 666, which set off widespread rumors that the card would be pulled from print or banned