I think if the TCG was gonna change its back designs again like they did in 2001, this one would be what theyd go for
2016-06-08 If the creature put onto the battlefield has protection from blackor if the creature cant legally be enchanted by Animate Dead for another reasonAnimate Dead wont be able to attach to it
It enables high-tempo turns by allowing multiple attachments or draws that lead into power plays

Each Collector Booster contains: An opportunity to open a card from 1994's Legends set (found in 3% of Dominaria United Collector Boosters) 1 Traditional foil Booster Fun rare or mythic rare that could have extended-art, showcase stained-glass, borderless art, or Phyrexian-language treatments 2 Alternative-border rares or mythic rares that can be showcase stained-glass, borderless, Phyrexian-language, or foil-etched or non-foil versions of the rare Legends Retold cards 1 Extended-art rare or mythic rare 1 Traditional foil rare or mythic rare 1 Guaranteed textured foil in either uncommon, rare, or mythic rare 1 Uncommon non-foil or foil-etched Legends Retold card 1 Uncommon traditional foil showcase stained-glass card 1 Traditional foil full-art stained-glass basic land 2 Traditional foil uncommons 4 Traditional foil commons, unless one is replaced by a Lost Legends card Draft Boosters Dominaria United Draft Boosters are designed for that perfect Draft or Sealed play experience, but just like Set and Collector Boosters, every single Draft Booster in Dominaria United contains a legendary creature, perfect for defending the plane from a threat to the Multiverse

In a thread discussing the prank on Reddit, the user Naeii writes: Please god I hope they keep the board they added, its easily the best in the game
You also discover which cult has been doing this by randomly adding a mini-deck to customise things