Next comes the ability text, which tells you the Troll has two important characteristics
If the chosen permanent is copying something else (for example, if the chosen permanent is a Clone), then your Hulking Metamorph enters the battlefield as whatever the chosen permanent copied, with the stated exceptions
Sothera, the Supervoid (Mythic) An all-star in any black deck, but especially here
Here, the 'cleanest' line of argument for plague themed cards being banned is: "MtG has plague themed cards, there is a current pandemic whihc is bigger than any other recent pandemic, I know somebody who died becuase of the pandemic, I'm angry at any reminder about the pandemic, ergo, I am angry at WotC for having cards which remind me of this." This is very clearly a stretch, as the same argument could be that the game in general depicts death and somebody might be upset about the death of a loved one (from a COVID unrelated issue)
The main draw, however, is the special 12-card Chocobo Booster included in every bundle