With the prevalence of white token-based strategies in Standard right now, and how popular they always are in Commander, I think its very unlikely that this wont find a home immediately
Local game stores, big box retailers, and online marketplaces all offer different advantages
Meanwhile, Kangskhan is far more consistent and reliable but will become effectively useless once youve built your Mewtwo EX
All we had to do was change one word in Rule 11: 11: Abilities which bring other card(s) you own from outside the game into the game (such as Living Wish
Cards that revive Monsters (like Monster Reborn and Called by the Grave) would also be more difficult to use with Pendulum Monsters
Trap cards, however, trigger effects you can activate during your opponent's turn