Ive never noticed significant damage, but generally, I only sleeve mine once carefully, and then dont remove them
"For example, if one breaks out as a very popular card and we need to reprint an in-world version at some point." Transformers isn't the only popular IP that Magic: The Gathering has partnered with recently, most recently announcing a Warhammer 40K collection
Silent Accumulation : Japanese resellers are hoarding CHB inventory, anticipating explosive demand as modern growth slows
If a creature with one or more +1/+1 counters on it gets enough -1/-1 counters put on it to cause it to die, it leaves the battlefield with all those counters on it
Yes, it is likely to appeal to younger players, but it has such a long history that the assumption becomes ludicrous
The game includes a World Editor that allows players to create custom maps and scenarios, which gave rise to influential community creations including the mod Defense of the Ancients