With how volatile the market for physical Pokemon TCG cards has been in recent years, it makes sense that Pokemon TCG Pocket would want to take precautions to avoid situations where players could potentially exploit the trading system to gain an unfair advantage in the game
In Vintage it often functions like a one-card engine that reuses busted mana and spells and then ends the game, which is why it earned the nickname Yawgmoths Win
Theres not one, but two Birds of Paradise, with European Swallow and African Swallow both seen dropping coconuts in reference to the castle wall scene
Since the beginning, all Shaddoll monsters in your Main Deck were DARK Spellcasters
Venusaur ex 001/142 Loading
until the end of this turn, this card gains ATK equal to that monster's, also negate that monster's effects