pokemon shiny collection booster box Sun & Moon High Class Pack GX Ultra This will be the main appeal of the set Opening A Shiny Collection Booster

1 Guardians Rising Guardians Rising is likely the very best of the Sun & Moon era, even challenging Forbidden Light in terms of sheer quality

Their iridescence is really great to look at (granted, for early EX, like @wisewailmer said, they really have to be pretty much mint to look really good)

Not sure if this will be a reliable way to do so, but it seems worth looking at

Additionally, Athreos can return itself to the owners hand if it ever dies

Then, there was a tournament that featured this deck: The basic idea was simply that you find your single Megrim with your tutors and use your fast mana to cast a Memory Jar