It is simply creating a state-based effect that makes them creatures
Of course, at the time when this meme was floating around, there were no trap cards mentioned above, but In fact, this meme is more appropriate for the meta after 2017 when trap traps were commercialized, but among the trap cards in use in the 2020s, most of It is mainly used when fishing people
Onix Pokemon Japanese Southern Islands Keep track of your collection value over time
The most logical next step would be a set focusing on Generation 2, with the featured Pokmon potentially being Tyranitar, Umbreon, or even one of the Legendary Beasts like Suicune
If you are on a budget, replacing three Fuwalos with three Droll & Lock Birds increases your chance of opening a turn-ender without breaking the bank
Then with PSA you have all the issues like cards being damaged or mis-grades or whatever else happens