First, whenever a creature you control dies, each opponent has to exile a creature of their own--this reminds me of a card like Grave Pact, only better because the casting cost is two Black versus three Black and exiling is better than sacrificing
Tickets are non-transferable
This is the current Japanese Card Rarity list that is updated with Sword & Shield TCG
Black's tutors allow you to ignore this by searching for any card you like, completely unrestricted, and placing it directly into your hand, or on top of your library
The raw Japanese version of Alola Friends is valued at around $800-$1,800, though there is a Chinese version that you can buy for less
Otherwise, Eviolite is close to redundant except against Mewtwo EX where it has a marginal advantage due to resistance, and catcher loses its efficiency with the introduction of Skyarrow Bridge