You have to cast your spells precombat, which you dont always want to do, and on top of that, you need both a creature and noncreature
You have to answer it quickly, otherwise itll keep attacking, gaining life, and making more 1/1 cats, and the City's Blessing is not that hard to achieve
If these were regular Trainers, I would expect them to appear in a lot of precons and beginner-friendly products
It's a cracker, and annoyingly, worryingly, compulsively so
While a little expensive as a seven-mana 4/4 Vehicle, the Rolling Hampshere quickly gets bigger and bigger the more you attack with it
Avoid cheap O-ring binders as the curved metal clasps can cause card damage in the long-term when storing