The One Punch Man set, which launched in English and Japanese at the same time, got a ton of buzz without breaking the games balance
Some cards accomplish this by destroying Monsters, while others banish them, return them to the hand, or even shuffle them back into the deck
On a similar note, I still believe you could build a good deck for less than $100, but I didnt realize how many $20 cards there are in this format
The Pikachu Illustrator is the clearest example: a PSA 10 sold for $16.5 million, while PSA 9 copies sit around $840,000 and PSA 78 examples fall between roughly $375,000 and $480,000 (CardsnPacks tracks this spread)
While the Mega Hyper Rare is pretty enough, its not got the kind of insane allure that causes you to do a real double-take the way the SIR does