Favourite Collectible?

Masters of Spinjitzu and Wildbrain Ninjago seasons all seemed to have a set of collectibles that tied into the show. Which are your favourites and which ones aren't? Why/why not? Pilot Season: The Golden Weapons Rise of the Snakes: Serpentine Staffs The Final Battle: Elemental Blades Rebooted: Techno blades Tournament of Elements: Jade Blades Possession: Aero Blades Skybound: Djinn Blade(s) Day of the Departed: Departed Blades Hands of Time: Time Blades Sons of Garmadon: Oni Masks Hunted:...