They are not as strong as the first batch published earlier, which included a Land Planet that can cosplay as Gaea's Cradle, a blue card-draw spell that can perhaps rival Stock Up, and a new white board wipe
If at the end of your turn, Kitsune Mystic (a Creature - Fox Wizard) has two or more auras on it, you flip the card
If another creature enters the battlefield as or becomes a copy of Pirated Copy, it will copy whatever Pirated Copy is copying, be a Pirate in addition to its other types, and have "Whenever this creature or another creature with the same name deals combat damage to a player, you draw a card." If Pirated Copy doesn't enter the battlefield as a creature (such as by copying an artifact or land that became a creature), it doesn't become a Pirate, though it still has the granted triggered ability
Zangoose takes 20 additional damage from Fighting-type attacks
It was first introduced in the BREAKthrough expansion
The "killer move" in this deck is to make a creature unblockable by tapping two artifacts with Whirler Rogue