If you have two non-Hydra creatures with Wildwood Scourge's ability (perhaps because they were mutated using the Ikoria: Lair of Behemoths mutate ability), putting a +1/+1 counter on any non-Hydra creature you control will cause the two abilities to trigger each other indefinitely
Skullclamp Skullclamp is in my top 2 for the most broken Equipment ever printed, and it came about through a last-minute change toward the end of Darksteel s development
Sword & Shield (Base) 215/202 Ordinary Rod (Secret Rare) is an Item Card from the Pokemon set Sword & Shield (Base Set)
My following comments are speculation, but: The card designs could have been approved around the same time period as the first wave of 1996 cards, the contract could have enforced the release date of 1997 to stagger product hitting the market, the contract could have stipulated mew was to be withheld until approved, or indefinitely, or permission triggered by some other event such as a sales target
By protecting your cards, you'll be able to enjoy them for years to come and pass them down to future generations
And with a catchphrase like Gotta Catch Em All., its easy to understand why