Its ability to circumvent commander tax at instant speed makes it incredibly difficult to hit with lasting removal over the course of a game, and the fact that it can pop in at instant speed to untap your best permanent or tap its biggest threat has screwed up more than a few carefully orchestrated plans
Ad Nauseam is a very memorable depiction of a mundane action taken to a horrifying dimension
"Three Rings for the Elven-kings under the sky, Seven for the Dwarf-lords in their halls of stone, Nine for Mortal Men doomed to die These feature the language of the High Elves, Quenya, in Tengwar letterforms
If youre playing a Saproling Commander like Slimefoot, or a sacrifice Commander like Korvold, youre going to get insane value out of Primal Growth
While it's pretty unfortunate to draw this card early in the game, the potential payoff for playing Retether in conjunction with your commander is immense, and easily underestimated
Later print runs were corrected, but many of the cards from the expansion remain more common in their earlier uncorrected forms