Update #2 (Tuesday, 7:30 AM): CGC now says this in response to queries about the cards: "Thank you for reaching out to us
Despite boasting six cards, there are only three unique Mega Evolutions artworks here, with a Secret Rare and Ultra Rare version of each, with the former distinguished by a golden border
(I always liked Wall of Swords.) Very often the old Wall cards included rules text to explain that the Creature can't attack
You won't lose from having 0 or less life, drawing a card from an empty library, having ten or more poison counters, and so on
This card's artwork was drawn by Shinji Kanda, and it's not the first of their pieces to abruptly explode in value
Play this card with the likes of Bucky, Squirrel Squeak Tutor and Belle, Hidden Archer to get the most from it