"Trading" system is wildly broken and completely unnecessarily expensive
At this point, "trading" is a misnomer as it's actually just a way to further restrict the card economy and consume high-rarity cards to reduce the pool available for trading. You get 25 tokens per ♦♦♦ card you consume, 125 per ♦♦♦♦, 100 per ⭐, 300 per ⭐⭐ or ⭐⭐⭐, and 1500 per 👑 card. You can't even trade anything above ⭐…