hunter x hunter union arena booster box - Vol. 2 The cards are in Japanese and offer a variety of characters and strategies that enhance the gaming experience Union Arena CCG Hunter X

My guess was as a kind of card rarity system or perhaps a way to tell players at a glance this card is more powerful than that card

A substantial collection of Yu-Gi-Oh

Description Shuppet (#353) is a mischievous Ghost-type Pokmon that loves to gather the grudges of others, growing stronger with every grudge it collects

Duel Monsters 4: Battle of Great Duelists 2000-12-07 Tentacle Plant (DM5) Yu-Gi-Oh

Beyond the artwork and character lore, Ihsan was actually a great card in its heyday

Green cards in particular tend to be fairly straightforward and combat-focused, so this will likely be a good entry point to the game