These might replace the Meowth-themed cosmetics that have been available in the shop since launching alongside the first Pokemon TCG Pocket Wonder Pick event on November 1
Kioras Dambreaker Kiora's Dambreaker is a bit of an odd duck among leviathans, but it makes more sense when you remember that it comes from War of the Spark
The Leyline enchantments (and artifact) are particularly wonderful and popular sideboard additions across a lot of formats
Credit: Wizards of the Coast Mizzix, Replica Rider FromTheShire: Copying spells gets spicy quickly, and there are a ton of ways to not cast from your hand between all the great impulse cards, flashback, suspend, foretell, Etali, Primal Storm, etc
The Lost Zone Box strategy is fairly straightforward
Crew 4 Each creature turned face down this way or put onto the battlefield this way is a 2/2 Cyberman artifact creature with no name and no color