Its a reference to The Rack, which damages the opponent if they have two or fewer cards in hand
They can't be the target of spells or abilities, their static abilities have no effect on the game, their triggered abilities can't trigger, they can't attack or block, and so on
Looking back to the situation at hand, there's one card that can assuredly have an impact right now: Riparian Tiger
So then its this nostalgia factor of, Oh, itd be great if I could reacquire a Charizard or another card that I had as a kid. The range of Pokmon media spans TV shows and video games, but its the franchises trademark trading card game that has collectors and thieves seeing dollar signs
In Pokmon: Let's Go, Pikachu
Want to Dethrone your opponents