If you own older promotional cards from premium boxes released before the 2020 size change, they almost certainly belong to this legacy category
R-TCG-1-A Radiant Charjabug card from the Pokmon Trading Card Game
Collector booster contents vary wildly between sets, so heres what you can expect from a Final Fantasy collector booster as an example: 3 foil commons 3 foil uncommons 1 foil basic land 1 non-foil showcase art uncommon 1 foil showcase art common or uncommon 3 non-foil rares or mythic rares with Booster Fun 1 card from the Through the Ages bonus sheet 1 foil rare or mythic rare that could be a colorful chocobo or a serialized gold chocobo
Each secret pack also has three stats - power, technical and hold the line - which can broadly help you pick a secret pack that reflects how you want to play: Power refers to attack points and damage capabilities Hold the line references defence points and ways of staying in the fight Technical references the general complexity of the cards in the theme Every secret pack you buy contains eight cards: four from the entire game's card pool, and four from the secret pack
Spend this mana only to cast spells of the chosen types or spells whose names begin with the first letter of your name
This creates growing demand against a supply that can never increase , which is the perfect recipe for price appreciation