At the end of the Damage Step, if a Pendulum Monster you control attacked: All monsters your opponent currently controls lose ATK equal to that attacking monster's ATK, until the end of this turn
After getting to know this set and experiencing what it has to offer, players and collectors can confidently say that this expansion is one of the top sets from the Scarlet & Violet era
Perhaps you flicker something like Quantum Riddler or Novice Inspector for value, or you kill an opposing token, or just remove a blocker so you can attack for lethal
This is a little counterintuitive since planeswalkers are supposed to represent specific characters that dont have different identities on different planes, but you can 100% own three copies of a Jace, Liliana, Teferi, etc
So, they fit perfectly in the same sleeves and storage boxes