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 Brothers' War Card Stories, Part 1 This week, I start my card-by-card design stories with Mishra, Lost to Phyrexia and the two cards that meld into it
Maelstrom Wanderer One of the downshifts from mythic to rare, Maelstrom Wanderer is a fan favorite for not just having cascade, but having it twice
Treasure Cruise and Dig Through Time are the go-to examples of cards that get more powerful as formats become larger because there will be more tools available to you that incidentally fuel them
But even disjointed and messy things can create good stuff
Fierce Guardianship is widely regarded as one of the best blue cards MTG players can use to create a safety net