german booster box Pokémon KP10.5 Black lightning - buy at Galaxus History Pack 1 Black Label

In fact, Thunder Dragon Colossus is so good it's currently banned in the TCG, though Master Duel has it limited to one copy per deck

Let me break down examples of what Id call complex lore and how we approached those

In Japan, Morpeko V-UNION was included in booster packs of VMAX Climax

When someone Summons a "Chaos Number" by Ranking-Up, they enter a contract with it in order to maintain control of it, at the risk of depleting their life, such as with Girag when he Summoned his "Number C106: Giant Red Hand"

P.S.: I wanted to include Songcrafter MageSongcrafter Mage either as winner or runner-up, but it only grants harmonize to another card and doesn't have it itself, so it was not eligible