Stage 1 and 2 based decks should not rely on this, as at best it fuels Nebula Beam, although it'd be a fantastic way to bypass Crustle
Once they've completed the activities, they can enter a lottery to win one of the cards
I wont name my source due to them not being big fans of the E4 community, but they do own trophy cards and other high tier cards along with the other knowledge they possess and the location they live I would trust them when it comes to this topic
Look for cards that are highly sought after, and that can grade 10s easily
Besides, Ultimate Guard is a Japanese brand, and you know how surgically precise they are
Often, lifegain is a notable pairing for Cat decks, as is token generation sometimes even paired together on the same cardsame card