the catch is that you can't "card pop!" the same person again for a while after doing so, thus limiting the feature's appeal
This card is most viable in a superfriends deck, so its nice to see card designers playing around with this space
This is the ultimate Johnny Card, practically daring brewers to search for its hidden power, and simultaneously, its the ultimate joke card the one 90% of players will cite as the worst card possible. Its important to have a card like that in the game, and while it was no doubt a terrible feeling to pull this from your first Saviors of Kamigawa booster pack, Id like to think the cool factor of a Zen Koan in Magic card form justifies its existence
This creates a great, self-sustaining loop
One of them is Monastery Swiftspear, which is flavorfully tied to the Jeskai Way faction but is best in dedicated burn decks in constructed formats
Every time you attack someone, you tap and goad one of their blockers