Essentially lots of players think that the 2021 expansion has artificially low pull rates for the rare cards and, while there's never been any real slam-dunk proof of this, the idea has real traction among Pokmon TCG fans
The thing is that in Eternal formats where this card is legal, cheap 1-mana spells and fetch lands are among the most popular strategies, and the static effect on this card prevents those from hitting the graveyard
Tooth Collector - 2B for an uber-creepy human rogue with a 3/2 body
Cipher Interference X SPELL Continuous During damage calculation, if your "Cipher" monster battles, while another monster with its same name is on the field: You can double the ATK of your battling "Cipher" monster until the end of the Battle Phase
Even if Satoru leaves the battlefield before it resolves, you'll still be able to put the creature onto the battlefield tapped and attacking
The 0 ability mills 10 cards at once, which becomes downright terrifying if you have something like Bruvac the Grandiloquent to double the effect