Emerald and Rubys split ability to deal with opponents cards while working toward unleashing its own powerful characters makes it a deck that requires some practice to fully understand, needing some careful cardplay - and good luck - to overcome its less forgiving aspects
Painful Truths is also an awesome way to gas up in the more grindy matchups, as the life will be almost irrelevant
Collector buying: OP-01 through OP-07 for legacy collector value, particularly Manga Rares of major characters (Luffy, Zoro, Shanks, Whitebeard)
Chart shows the price of Clarabelle - Contented Wallflower [Foil] #90 at the end of each month going back as long as we have tracked the item.
Its also just difficult to interact with it completely dodges creature removal, and you cant Counterspell the ninjutsu ability, so the very moment you decide not to block a creature, Kaito, Bane of Nightmares hits the table, and its sticking around at least long enough to use a loyalty ability and pass the turn